Ireally need a answer i am desperate, a, b, c, and d .

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

If 20% of a number is 35, what is 50% of that number?

Evaluate the expression. (9 + 5)(3 + 2)0