Given z varies jointly as x and y, use the given values to find an equation that relates x, y, and z. x = 3, y = 8, and z = 54

A) Z = 9/4xy
B) Z = 2.25xy
C) Z = 4/9 xy
D) Z = 36xy

Which expressions are equivalent to the one below? check all that apply. 25x/5x a. 5x b. 5 c. 5x•5x/5x d. 25x e. (25/5)^x f. (25-5)^x

Write the pair of fractions as a pair of fractions with a common denominator

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?