Find x if f(x) = 2x + 7 and f(x) = -1.
A.5
B.-4
C.-4

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.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65