What's doubling and halving for 12 times 13

Abe plans to use $21,000 to open a savings account with an annual interest rate of 6%. How much more interest will he earn over 4 years if he chooses a compound interest account, with interest compounded annually, instead of a simple interest

Which expression is equivalent to 17 s minus 10 + 3 (2 s + 1) ?

What is 7 divided by 630

Estimate: √106 A. 9 B. 10 C. 11 D. 12

Which algebraic expression represents one less than the Product of a number y and 7

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.