1)100 or A
Angle = |30*H - (11/2)*M|, where H is the hours hand and M is the minutes hand
in this case: H = 4, M= 40
30*4 - (11/2)*40 = 120 - 220 = -100 = |-100| = 100
2)x=4y or C
If you plug in 0,0 you will get 0=4×0 or 0,0
Answer:
A
Step-by-step explanation:
perimeter of the base...
The first one is 10ab + 20

Integrating both sides, we get


When

, we have

, so that

When

, we have

, which means