7=-4/7(-4)+b i don’t know what to do

Step-by-step explanation:

So distribute the four, then subtract that answer from both sides

the image of (6, 9) under a dilation is (4, 6). the scale factor is

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

source