Rewrite the quadratic function into vertex form by completing the square y=-2x^2-3x-5

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.

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?