What is the value of 21/8 divided by 3/4.

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?

If cos(θ)=2853 with θin q iv, what is sin(θ)?