Add. (2x^4+x^3-4x^2+3) + (4x^4-2x^3-x^2+10x+2)

After 6 years, Federico earned $1485 in simple interest from a cd into which he initially deposited $ 9000. What was the annual interest rate of the cd? A. 2.75% B. 5.5% C. 8.25 D. 11%

Solve For X 1) 7+X=49 2) 5+x+3=49

Simplify (4.5) (5) (-2).

How do I find the answer to-3/8 + - 1/4

A survey showed that 21% of people in a test market liked a new type of "green" detergent and would buy it. A total of 10,200 boxes of detergent of all brands were sold in the test market last year.

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.