Answer:
3.5
Step-by-step explanation:
I used a calculator.
6/7 is the ans
42 & 49 is divided by 7
When is cos (x) = 0? <em>at 90° (aka π/2)</em>
The answer is −42
1436.8
4/3×π×7³
= 1372π/3
≈ 1436.8
Answered by GAUTHMATH
