If the diameter of a circle is 50 yards, the radius is what

Seth practice piano for 1 1/3 hours on saturday and 5/6 hour on sunday for much longer did he practice on saturday than on sunday?

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')