Every Week: Robert rakes leaves for $25

Robert does dishes for x hours

Robert is paid $7 per hour for washing dishes

Robert wants to earn at least $56 by the end of the week

hope it's helpful to you

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

answer:

c. the third graph