Which of the following quadrilaterals have diagonals that are perpendicular to each other ?

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?