15. The left triangle is similar to the whole triangle. The x of the small triangle is proportional to the hypotenuse of the large triangle (9+16 =25). the x of the large triangle is proportional to the 9 unit leg of the small triangle. this creates the proportion

. Cross multiply to get

take the square roots of both sides to get x=225
Check the picture below.
notice the red rise/run slopes, are the same, thus those two lines are parallel, and also notice the green one for the other two lines, meaning both pair of lilnes are parallel.
Answer:
24x - 9y=0
Step-by-step explanation:
8x=3y+2-16x+6y=2
8x=9y+2-16x=2
8x+16-9y=2-2
24x-9y=0
Answer:
there are 8 acres that can be planted