What percent of 8 is 4

Two trains leave the station at the same time going in opposite directions. one of the trains travels at 90 mph and the other is traveling at 120 mph. after how many hours will they be 735 miles apart?

Simplify expression (-1x/2) 5

At a school number of boys:number of girls = 1:9 there are 124 more boys than girls. Work out the total number of students at the school

Simplify this ratio by dividing both parts by the greatest common factor. 9 strawberries to 54 blueberries 9 - 9 = [?] strawberries to [ ] blueberries

How is the area of a triangle related to the surface area of a square pyramid

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.