The dot plot and box plot show different displays of the ages of runners on a track team.
A dot plot titled Age of Runners goes from 7 to 12. There are 2 dots above 7, 1 above 8, 3 above 9, 2 above 10, 3 above 11, and 2 above 12.

A box-and-whisker plot. The number line goes from 7 to 12 in increments of 0.5. The whiskers range from 7 to 12, and the box ranges from 8.5 to 11. A line divides the box at 10.
Which statements best describe the dot plot or box plot? Check all that apply.
Add the number of dots above each age in the dot plot to find the number of players on the team: 2 + 1 + 3 + 2 + 3 + 2 = 13.
Subtract the maximum and minimum values of the box plot to find the number of players on the team: 12 – 7.
The median appears clearly on the dot plot at the center of the number line: 9.5.
The median appears clearly on the box plot at the line within the box: 10.
The dot plot is the only display that can be used to show the variability of the data.
The box plot is the only display that can be used to show the variability of the data.

answer 1 and 4

Step-by-step explanation:

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step-by-step explanation:

equation

you are asked to write the equation

  expression = 0

using the given expression. when you do that, you have

  2x^2-2x-12 = 0

factoring

you can see that each of the coefficients is even, so a factor of 2 can be removed immediately.

  2(x^2 -x -6) = 0

if you multiply the binomials (x+a)(x+b), you get

  (x +a)(x +b) = x^2 +(a+b)x +ab

this tells you the coefficient of x is the sum of two factors of the constant term. here, that means -1 is the sum of two factors of -6. we want to know those factors so we can factor the trinomial.

  -6 = -1×6 = -2×3 = -3×2 = -6×1

the factor pair that sums to -1 is {-3, 2}, so our factorization is

  2(x -3)(x +2) = 0

solutions

the solutions to this equation are the values of x that make the product zero. a product is zero only when only of the factors of the product is zero. here, that means

  x - 3 = 0

  x = 3 . . . add 3 to both sides of the equation

or

  x +2 = 0

  x = -2 . . . add -2 to both sides of the equation

the solutions to the equation are x=3 or x=-2. both of these values of x satisfy the equation—they make it be true.

the 1st digit is in the 100s n its 1

step-by-step explanation:

3,589÷18 = 199.389

so the first digit of the quotient is in the 100s n its 1