What is the area of a rectangle with vertices at (-3,-1), (1,,1) and (-1,-3)?

Divide. write in the simplest form. 4 1/6 divided by 10

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?