Which alternative is the NEGATIVE reciprocal of 1/3?
А. - 3
B. 1/3
C. 1/3
D3

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.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft