5x + 6 - 3y - 2 + 8x

Luke invests $4200 in an account that has an annual interest rate of 2.8% compounded semi-annually. Todd invests $3900 into an account that has an annual interest rate of 3.3% and is compounded continuously.

six friends went to a basketball game. The price of admission per person was $x. four of the friends paid an extra $5 each for a souvenir t-shirt. Write and simplify an expression that represents the total cost.

Prove whether or not 169 is a perfect square.

Which of the following accurately comapares 3√8 and √82? a. √82is slightly more than 9, so√82 is less than 3 √8. b. √82 is slightly less than 9, so √82 is less than 3 √8. c. √82 is slightly more than 9, so √82 is greater than 3 √8. d.

To borrow money, you pawn your guitar. Based on the value of the guitar, the pawnbroker loans you $960. One month later, you get the guitar back by paying the pawnbroker $1170. What annual interest rate did you pay?

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.