Which of the following is not 20% of two Dollars

Factor by grouping and find the zeros x^3 - 10x^2 + 25x - 250 = 0

How do I evaluate a+b for a = 47 and b=31

What is the factored form of d² - 20d + 100?

This is a number that can be divided out of each term in an expression.

100 is what percent of 250?

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.