Show how you can make a ten to find the sum 9+7=

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 ?

Which expression is equivalent to 3^3 + 2^2?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25