Let A and B be two independent events such that P(A) = 0.4 and P(B) = 0.5. What is P(A or B)? Your answer should be given to 4 decimal places.

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

Five friends found a dollar on the ground and decided they each should get 1/5 of it. what amount of money will each friend get? $0.05 $0.20 $0.30 $0.80

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?