Carlos purchased an antique chair for $15 and sold it for $27. what was the percent increase of the price of the chair?

Write 3 1/3 as an improper fraction

2 (x+1) + 5x-3 (4x+1) simplified

Keisha bought 1/6 tank of gas in the morning on her way to work. she added 3/4 tank on her way home from work. what fraction of a take of gas did she buy all together

What is the sum of the first 19 terms of the sequence 3,10,17,24,31

If you spin a spinner with eight equal sections numbered (1 through 8), find P (factor of 6).

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.