On saturday keisha ran 2.716 kilometers. on sunday she ran 1.88 kilometers. how much farther did she run on saturday than sunday

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if