Aaron and maria collected shells one morning at the beach. maria had 3 times as many as aaron, but they would have the same number of shells if aaron had found 8 more and maria had found 6 less. how many shells did aaron collect?

The isosceles triangle has two sides of equal length, a, that sre longer than the length of the base ,b. the equation 2a+b=15.7 can be used to find the sides length. if one of the longer sides is 6.3 centimeters what is the length of the base

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

What is the rate of change of a line that passes through (2,-5) and (6,-2)?