A'B'C' is the image of ABC under a dilation whose center is A and scale factor is 3/4. Which figure correctly shows A'B'C' using the solid line ?

x = 3 ± √(5+y)

0.61 has 2 decimal places, so we put the decimal digits of 0.61, 61 over 1 followed by the number of zeroes equal to the number of decimal places, 

2:     61/1 = 61/100.

answer: a. 40 sq. units

step-by-step explanation:

pretty simple, since the rectangle is 80 and the triangle is half of it, divide by 2. you'll get 40 afterwards.

hope it ; d.