Answer:
12 degrees
Step-by-step explanation:
3 pieces times 20 degrees equals 60 degrees <span />
Answer:
a=7
Step-by-step explanation:
-2a + 9 = -3
Answer:
C.398cm^2
Step-by-step explanation:
Surface area=2(wl+hl+hw)
2(5×9+11×9+11×5)
Answer:
x= 15
Step-by-step explanation:
85 and 6x+5 form a straight line.
They sum to 180
85+ 6x+5 = 180
Combine like terms
90 +6x = 180
Subtract 90 from each side
90+6x-90 = 180-90
6x = 90
Divide each side by 6
6x/6 = 90/6
x =15