What is the value of r?

3/5 (r-7) = 1

A nurse worked forty hours this week and his total pay was "x" dollars. Write an algebraic expression for his average hourly pay in dollars per hour.

Is 1,234 a rational number

What is 125% of 280?

Which of these is an example of personification? The fish swam across the river as if it was dancing The stars winked at me The blanket was as white as snow The alligator's teeth are white daggers

A racing car driver makes a pit stop at the beginning of a lap. The time, t, in seconds that it takes the driver to complete the lap including the pit stop, can be modeled by this equation.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.