21. Which equation expresses y in terms of x? A y=17x
B y=25x
C x=51y
D x=85y

22. What is the charge for renting a machine for 3.5 hours?
A $51.50
B $59.50
C $65.50
D $86.50

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Find the maximum value of p= 4x + 5y subject to the following constraints :