Answer:
.
Step-by-step explanation:
Answer:
11. 40.5
12. 84
Step-by-step explanation:
28.27431 = x + 2
-2 -2
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x = 26.27431 Answered
the pie is 3.14159 x 9 =28.27431
Assuming 5a3 equals 5a^3, and the same for everything else, you would plug in 4 for a, so 5(4)^3 - 2(4)^2 + 4 - 45, which equals 247.
(x-3) *squared* + (y + 2) *squared* = 6