the roof of the house is 40ft off the ground. if a 50ft ladder has been leaned against side of the house to the roof, what is the angle of elevation between the ground and the ladder?

Select the number of ways in which a line and a circle can intersect

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25