Is negative twelve a whole number, integer, or rational number?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

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

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4