A brick is initially 13.19 cm high and an aluminum can is initially 13.2 cm high. By how much must their temperatures be raised in order for the brick and the can to have exactly the same height

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?