what is (6-3w) (-w squared)

How do I solve 6 (5-8v) + 12=-54

Which statement best describes the function h (t) = 210 - 15t?

What are the last 2 digits of 7 to the power of 2018. This question was on a past exam paper.

The probability that a battery will last 10 hr or more is 0.9, and the probability that it will last 15 hr or more is 0.11. Given that a battery has lasted 10 hr, find the probability that it will last 15 hr or more.

Let X and Y be the following sets: X = {1,6, 2, 3, 14} Y = {2,9,13,1} Which of the following is the set XUY?

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.