Cho x2 + y2 = 1. Tính giá trị của biểu thức: M = 2x4 + 3x2y2 + y4 + y2.

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?