What is the value of x/3y, when x = 18 and y = 3? 3/18 <- this means three over 18 if you don't know 2 3 6

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Plz hurry evaluate the expression a+b where a=8 and b=19