Which is the equation of a parabola with Vertex (0,0) and focus (-3,0)? a. y2 = -4x
c. y2 = 4x
b. y2= -12x
d. y = 12x

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

The measure of angle 0 is 600 degrees