Answer:
what grade is this?
Step-by-step explanation:
50 yards
120 sq ft 1/2 x b x h
r = 15
10(8r + 23) = 1430
Divide both sides by 10.
8r + 23 = 143
Subtract 23 from both sides.
8r = 120
Divide both sides by 8.
I think also option c ok
