Evaluate 2x - y + 4z, if x = 1, y = 2 and z = - 1

Mrs Brown gets her class of 21 children to stand in a circle. She chooses the child in the first position to give one of 21 Valentine's cards anti-clockwise to the person next to their neighbour.

Question 7 (Fill-In-The-Blank Worth 2 p (06.01) What is the value of the expression 6^2 + 3^8? Numerical Answers Expected! Answer for Blank 1:

In 5 minutes, a seal descended 24 feet. what was the average rate of change in the seal's elevation per minute

Use the function below to find F (2) F (x) = 1/3•4x

A hemisphere has a volume of 18π cm3. Find its radius

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.