What ratio is equivilent to the ratio 3:4

Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.