Me asap pls extra points for all of these give me answers pls !

1. 3 terms, coefficients: (-20), 5, (-7)

2. 3 terms, coefficients: 8, (-20), (-10)

3. -The factors in the term 5 are 5 and 1.

   -The factors in the term 6a are 6 and a.

   -The factors in the term 11b are 11 and b.

4. -The factors in the term 13m are 13 and m.

   -The factors in the term (-2)n are (-2) and n.

5. The expression represents the total amount that Erin pays at the store.

6. The expression represents the number of bees that visits the plant.

Step-by-step explanation:

1. We have the polynomial -20+5p-7z.

The terms of a polynomial are separated by + and - (This signs aren't in parentheses or brackets, in a fraction or in a root.)

Then,

-20+5p-7z, this polynomial has 3 terms.

A polynomial is an expression of the form: , where each real number is called coefficient.

Then the coefficients of -20+5p-7z are (-20), 5 and (-7).

2. We have now 8x-20y-10

This polynomial has 3 terms. And the coefficients are 8, (-20) and (-10).

3. 5+6a+11b

A factor is one part of a product.

In this polynomial we have 3 terms.

-The factors in the term 5 are 5 and 1. (because 5.(1)=5

-The factors in the term 6a are 6 and a.

-The factors in the term 11b are 11 and b.

4. 13m-2n

In this polynomial we have two terms.

-The factors in the term 13m are 13 and m.

-The factors in the term -2n=(-2)n are (-2) and n.

5. We have the expression 0.99c+0.79a

Each cucumber cost $0.99 and c represents the number of cucumbers that Erin is going to buy.

Each apple cost $0.79 and a represents the number of apples that Erin is going to buy.

Then 0.99c+0.79a represents the total amount that Erin is going to pay at store.

6. We have now the expression 500t

In this expression t is the number of years the plant is alive.

And the numbers of bees that visit a plant is 500 times the number of years the plant is alive.

Then 500t is the number of bees that visit the plant.

answer: .75 km

step-by-step explanation:

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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