Which line has an undefined slope?

A. x=18

B. 2y-6x=0

C. y=-9

D. y=x

Simplify to create equivalent to 19-6 (-k+4)

You are riding in a taxi that charges a $10 flat fee, plus an additional $2 per mile Let C be the total cost of the ride and M be miles. Write an expression relating C to M.

pamela has 16 tulips 8 lilies and 32 roses. she wants to arrange all the flowers in bouquets to give her friends before she move each bouquets has the same number of flowers and the same.

A rectangular pool is 7ft wide. it is 3 times as long as it is wide.

What is the distance from mars to sun in scientific notation

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.