Given cos(a) = −12/13, with a in quadrant ii, and tan(b) = 3/4, with b in quadrant iii, which of these is sin(a+b)?

How do i solve uniform motion problems?

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):