Prove that the value of the expression does not depend on the variable x: x4–(x2–1)(x2+1)

Why do interests rates on loans to be lower in a weak economy than in a strong one

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth