[PICTURE ATTACHED] help asap

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

Which verbal expression best describes the algebraic expression 3x ÷ 5? the quotient of three times some number and five the product of some number and five divided by three the quotient of three and some number times five the sum of three and some number divided by five