Vanh is going to the store to purchase mangoes. At Fruitie-Tutie she can purchase 5 mangoes for $1.80. At Fruits-4-Less, she can purchase 7 mangoes for $2.80. Which is the better buy? Explain your reasoning.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)