Factorise fully x^2+2x

What is 17 divided by 4 in a fraction

2 times 2 to the second power (so basically is the power a 0 or a 1, example: 2 x 2 (2nd power) = 2 (3rd power) or would it remain 2 to the 2nd power)) its to the 1st power no matter what, right?

A customer owes $33.63 in transaction fees and he/she gives you $40.00. how much change should the customer receive back?

Cos90sin0-sin0cos90=?

What is the lowest terms of 4/5 - 2/3

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.