AABC is dilated by a factor of 5 to produce AA'B'C' What is A'C, the length of AC after the dilation? What is the measure of
A. A'C' = 25, m2 A'= 37°
B. AC = 1, mZA'= 37°

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this is a direct variation proportion. y = kx

y is the total amount due, k is the constant of variation, and x is the number of texts sent.

plug in the 3.20 and the 16 to solve for the "k". this is the constant of proportionality. it is the value that will not change.

3.20 = k(16). solving you get $.20 per text.

the equation would then be y = .20x

if the rectangular pool has a area of 192 square ft. and length of 15 ft. you must divide 15 into 192. 192 ÷ 15 = about 13 ft.