x = -8
Step-by-step explanation:
Step 1: Subtract 1 from both sides

Divide both sides of the equation by -10

Answer: r = -244
Step-by-step explanation:
A)

B)

C)

D)

You were correct, the exact answer is A. The others do not equal 23 besides that one. Good job!
34,590 because even if 0 engines are made, then 34,590 is still expected as a base price