The average wait time for a popular ride at the amusement park is 1 hr and 15 min. if jay rode on the roller coaster four times and had to wait in line each time , how line was his waiting time ?

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?