A car went a distance of 90 km at a steady speed and returned along the same route at half that speed. The time for the whole round trip was four hours and a half. Find the two speeds.

A rectanguler inflatible swimming pool is 2 4/5 yards long, 2 yards wide, and 3/5 yard tall. What is the volume of the pool? Round to the nearest tenth.

A worker gets $9/hr for a regular work day and $13.50/hr for additional hours. If he was paid $114.75 for an 11hr work day, how long is a regular work day?

24. SMART PHONE You earn $9.20 per hour at your summer job. Write and solve an inequality that represents the number of hours you need to work in order to buy a smart phone that costs $299.

Solve for x in the equation 3x2-18x+5=47

The slope of the equation is 3x-6y=12?

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.