Answer:
42
Step-by-step explanation:
9^2*7-2*7
56-14
42
I hope this helps.
Answer:
1/4
Step-by-step explanation:
This is correct on khan academy!
Answer:
x = 43 1/3 degrees
Step-by-step explanation:
sum of interior angles in a triangle = 180 degrees
30 + (3x - 9) + 29 = 180
30 + 29 + (3x - 9) = 180
59 + (3x - 9) = 180
(3x - 9) = 180 - 59
(3x - 9) = 121
3x = 121 + 9
3x = 130
x = 43 1/3
Answer:
n=5
Step-by-step explanation:
6 + 2n =16
2n÷2= 10÷2
n = 5