Order of operations

14+18/2x18-7

Simplify 6x+9/15x^2 divided by 16x-12/10^4

0.5 (x^4-7) + 16 what is the answer your answer should contain decimals.

Find the median. 2, 20, 19, 15, 11, 9, 7, 1

What is the perimeter of a triangle 5x5x5?

4 times the sum of 14 and 26

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.