a football was selling for 35% off the original price. the original price was $50. what is the sale price of the football?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective