The triangle: 4*4/2=8
The square: 4²=16
16+8=24
Answer:

Step-by-step explanation:
THIS is the answer if the equation looks like this. 
Answer:
The answer is 360 ways
Step-by-step explanation:
Answer:
169.95
Step-by-step explanation:
Use formula Pi×r²
F(x) = 5x
for f(7) you replace x with 7 so it will be : f(7) = 5(7) = 35