Answer:
2,130
Step-by-step explanation:
1. solve for x.

when 

2. place value for X into equation

Maximim profit is 2,130.
1. 9 feet revelent to the surface
2. 19 points
19.75-6.4=13.35
now 13.35-4.36=8.99
the third piece is 8.99 meter long
Answer:
D
Step-by-step explanation:
JK intercept line XY at the midpoint. This means that these points are all equidistant from the midpoint. Due to this, J and K are both an equal distance from M. So is X and Y.