Explain intersecting, perpendicular, and parallel

Solve for K, the constant of variation, in a joint variation problem where y=520, x=5, z=6.5. Solution is?

Pizza is cut into 8 equal pieces. A person who eats 1/2 of one piece eats what fraction of pizza?

Find the mode of this data set 53, 50, 47, 40, 45, 41, 36,53, 45, 46, 48,36

The measurement of one angle of a right triangle is 61°. What is the measurement of the third angle?

Fill in the table. Input Values = 0, 2,4 Rule: subtract 3 Input Output

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.