Determine all intervals on which the graph of f is decreasing.

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

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.