In the system of equations below, which variable would it be easiest to solve for?

x + 4 y = 14.

3 x + 2 y = 12

Use scientific notation to find the product of 4.59 · 10 - 5 and 30. Include all of your calculations in your final answer.

25 + 47 is the same as + 50

How do you convert celsius into fahrenheit?

Consider a $100 investment earning 12% compounded quarterly. how long will it take to triple your money? round your answer to the nearest tenth of a year.

Find 987 divided by 47 using the most efficient strategy you can. Show your work

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.