That would be the area of a circle of radius 12 miles
= pi r^2 = 452.4 square miles to nearest tenth.
Answer:
20
Step-by-step explanation:
420-400=20
Answer:

Step-by-step explanation:
Multiply the two polynomials by multiplying each term

Answer:
0.5.
Step-by-step explanation:
Substitute x = -3 into the guiven function:
= 2(-3) - 1/2(-3) + 5
= -6 + 1.5 + 5
= -4.5 + 5
= 0.5