Divide 72 in the ratio 7:2

The measure of each interior angle of a regular 56-gon. round to the nearest tenth

Alvin is 12 years older than Elga. The sum of their ages is 112. What is Elga's age?

A stone that starts at rest free falls for 7.0 s. How far does the stone fall in this time? a. +2.4 x 102 m c. +3.4 x 101 m b. -3.4 x 101 m d. -2.4 x 102 m

2i^4-5i^3+3i^2+√-81 rewritten in a+bi form?

I plan on opening a savings account with $800 and leaving it in the account for 4 years. If the bank is going to pay me an interest rate of 5%, how much money will I have in the account at the end of 4 years? A. $2,400 B. $1,600 C. $960 D. $160

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.