5r-4 and r=-5 so it would be 5(-5)=-20, then -4 , so is is -24
12 inches = 1 foot
144 square inches = 1 square foot
1250 square inches = 1250/144 = 8.68 square feet
The answer is B hope this helped
I think it D cause 30(cos(30x)+14=-16
Your dividing by 30
your 180 (which is degrees) is
radians. As the cosine function is periodic with period 2 we get
Answer:
Step-by-step explanation:
labor cost = 20 * h = 20h
Total cost = 100 + 20h