Which expressions are equivalent to 4b4b4, b ?
Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
b+2(b+2b)b+2(b+2b)b, plus, 2, left parenthesis, b, plus, 2, b, right parenthesis

(Choice B)
B
3b+b3b+b3, b, plus, b

(Choice C)
C
2(2b)2(2b)2,

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5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form

48 / 6 = x

in this case, x will equal the amount of money in each card!

x therefore will be 8.

trent had $8 in each birthday card.

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13