Answer:
X=-7
Step-by-step explanation:
X + 142=135°
X=135-142
X=-7
So the value of X is -7
Given conditions are :
In 1980's, a typical middle-income household earned= $34,757
In 2009, a similar middle-income household earned= $38,550
And we have to find relative increase in income for these households from 1980 to 2009.
So first we will find the total increase in amounts.

Relative increase = 
= 10.91% or rounding it off we get approx 11%.
Hence, the answer is 11%.
Answer: 7^8
Explanation: just add the exponent if you are multiplying two things with the same base
Answer:
-6x+11
Step-by-step explanation:
Answer:
89
Step-by-step explanation:
2 PLUS 3456 PLUS 687=32534