Graph the ellipse with equation x squared divided by 9 plus y squared divided by 25 = 1.

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.

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides