I’m not sure if the 15 is the question number but if it is the answer is 32. use PEMDAS
Answer:
Yes
Step-by-step explanation:
1 : The athlete's hands push the medicine ball forward. The medicine ball pushes the athlete's hands backward.
2: Friction
3: The first pair of action-reaction force pairs is: foot A pushes ball B to the right; and ball B pushes foot A to the left. The second pair of action-reaction force pairs is: foot C pushes ball B to the left; and ball B pushes foot C to the right
It would be answer choice A (10^5) because there are 5 10s in the problem
Conversion factor is the term that is to be multiplied to a variable when converting between units. The conversion factor is: 
Given that:

From standard unit of conversion:

So, we have:


Cross multiply

Divide both sides by 1kg

Rewrite as:

Hence, the conversion factor is: 
Read more about conversion factors at:
brainly.com/question/6988886
Answer:
40.7m^2
Step-by-step explanation:
Base×Height= 5.2m×3=15.6m2
Area of semicircle= Pie r^2= Pie×4^2=16×pie
pie×16÷2=8×pie
8×3.14=25.12m2
15.6m2+25.12m2=40.72m2
rounded to nearest tenth=40.7m2