Irma needs to buy 8 1/4 feet of packaging tape. There are 2 3/4 feet of tape on each roll. How many rolls of tape should Irma buy?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

Using elimination, what is -4x+2y=-12 4x+8y=-24