What is the change from 3 to -8?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Find the quotient with the restriction.