What is 7.5 over 12 is equal to 4.5 over X

The number of undergraduates at Johns Hopkins University is approximately 2000, while the number at Ohio State University is approximately 40,000.

Which of the following objects cannot be bisected? •line •line segment •Ray •angle

Solve the system of equations for - 2x+2y=4

Sam and David were selling bottles to raise money for a 6th grade pizza party. Sam sold 5 water bottles for every three water bottles David sold. together they sold 160 water bottles. how many did each scholar sell?

A number has 31 tens and 9ones. Write the number in words

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.