On the Mertler’s vacation to Florida, they drove 180 miles in 3 hours before stopping for lunch. After lunch
they drove 120 miles in 2 hours before stopping for gas.
Are these rates equivalent? Explain your reasoning.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?