1. elinda buys 2 sets of cymbals. She uses a coupon for 15% off the entire purchase price
How much does she spend altogether?

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Iwill give you ! what is the measure of ∠v ?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.