61.76 rational or irrational ? -26 rational or irrational ? -√4 rational or irrational?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Write the rational number in lowest terms 99/-15

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers