Answer:
d
Step-by-step explanation:
43.55 rounds the tenth up because it has a hundredth of five
Answer:
H= 10
Step-by-step explanation:
Hypotenuse formula if you have the other 2 sides.

Any multiple of 4 would work.
Answer:
32400
Step-by-step explanation:
im not sure i just timed it by 2
Ur output value is f(x).....so to do this problem u need to sub in 2/3 for f(x) and solve for the input value which is x
f(x) = -1/3x + 7
2/3 = -1/3x + 7 ...multiply everything by 3
2 = -x + 21
2 - 21 = - x
- 19 = -x
19 = x <== ur output