X+3y-z=2

x+y-z=0

3x+2y-3z=-1

Kayla walked 3 ft on the balance beam before she fell. Mackenzie walked 5 times as far before she fell. How far did Mackenzie walk on the balance beam before she fell? A. 15 ft B. 8 ft C. 12 ft D. 18 ft

Alana biked 12 miles in 48 minutes. what is alanas speed in miles per minute

Find the intercepts. . (-1,5) and (-3,-5)

Scientific notation for 1,424,600,000?

You run 434434 miles through a park each day. If you ran that distance 55 times last week, how many miles did you run?

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.