A≈907.92in²
Because:
A=πr2=π·172≈907.92028in²
Answer:b-(1/4)b+15
Step-by-step explanation:
Answer:
70 + 4D
- (2 x 100) + (7 x 10) + (4 x D) + (2 x 100)
- (200) + (70) + 4D + 200
-200 + 70 +4D + 200
-130 + 4D + 200