Rex weighed 80 pounds a year ago. now he weighs 92 pounds. what is the percent increase in his weight?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?