Answer:
10.5
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
We add the exponents so it is 10+5=15
Answer:
-28
Step-by-step explanation:
-4(7)=-28
we are given

Since, we have to solve for b

so, we will isolate b ony one side
so, we will add 60 on both sides



so,
Answer:
Maureen should have added 60 to both sides.
A ) The angle formed by 2 consecutive radii:
Ф= 360° : 8 = 45°
b ) The angle formed by a radius and a side of a polygon:
α = (180° - 45°): 2 = 135° : 2 = 67.5°
Answer:
B ) 45°, 67.5°