Answer:
58
Step-by-step explanation:
1. let x be the unknown number
2. make an expression
x + 26/12 = 7/1
3. cross multiply
x +26 × 1 = x + 26
12 × 7 = 84
x + 26 = 84
4. move variables on one side and numbers on other side of the equal sign
x + 26 = 84
- 26 -26
x = 58
Hey there! :D
When powers are outside the parenthesis, you multiply them.

-2*5= -10
We now have:

When you have a negative exponent, you bring it to the bottom of a fraction to make it positive.

"C" is the correct answer.
I hope this helps!
~kaikers
Answer:
33%
Step-by-step explanation:
because what is 100% minus 67%=33%