Answer:
27
Step-by-step explanation:
57 - 3 = 54. 54/2 = 27.
Answer:
n = -6
Step-by-step explanation:
2 ( n + 5 ) = -2
First, solve the brackets.
2n + 10 = -2
Now take 10 to the right side.
2n + 10 -10 = -2 - 10
2n = -12
Then divide both sides by 2.

And now you'll the value of n.
n = ( -6 )
500=140+40h
minus 140 both sides
360=40h
divide y 40
9=h
9 hours
Answer:
85
Step-by-step explanation:
Angle 1: 56
Angle 2: 39
56+39=95
A triangles angles add up to 180 degrees.
180-95=85
Angle 3:85