A rectangle is twice as long as it is wide. Its width is 51⁄2 cm. Find the area of the rectangle.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points