A percent measures a rate a) per unit b)per 10 unit c) per 100 unit d) per 1000 unit

#12 find the value of x. #13 find the value of the variable.

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.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)