The rational number -28 is equal to?

Name the most appropriate metric unit for each measurement like the mass of cow

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

2/3(-6y+9x) expand each expression using the distributive property