Which expression is equivalent to (b^n)m?

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.

Evaluate the expression. (9 + 5)(3 + 2)0

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height