Answer:
x + (x-42.2) = 90
2x - 42.2 = 90
add 42.2 to both sides
2x = 132.2
divide each side by 2
x = 66.1
find the measure of the other angle
66.1 - 42.2 = 23.9
Step-by-step explanation:
Answer:

Step-by-step explanation:

(3/4)^4 = 81/256
1 ÷ 81/256 = 256/81
So;



Answer:
9.10
Step-by-step explanation:
I can't help you on this because you don't have an actual answer