Mae Ling earns a weekly salary of $320 plus a 7.5% commission on sales at a gift shop. How much would she make in a work week if she sold $4,500 worth of merchandise? She would make $​

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

What is another way to express 36 +32

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.