The ratio of girls to boys is 4: 5 if there are 27 total students how many are girls? boys?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school