Ryan bought three shirts at a store for $40.62. How much money would it cost for Ryan to go back to the store and buy two more shirts?

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827