Simplify 3a • 3b ÷ 3c ÷ 3d. the exponent on 3 is (ab) ÷ (cd) (a + b) - (cd) a + b - c - d

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?