What is a common multiple of 12 and 18

2 (3z - 2) + 8 = 34 (solve for z)

Three times one number minus a second is 8, and the sum of the numbers is 12. which system of equations could be used to find the two numbers?

The primary interest in designing a randomized block experiment is to: ​ a. reduce the variation among blocks b. increase the variation among treatment means to more easily detect differences among the treatment means c.

The value of a collectible coin can be represented by the equation Y=2x+9.74 where x represents the number of years that Consuello has owned the coin and y represents the total value, in dollars, of the coin.

Julie about 3 pumpkins at $.60 each a pound for fresh pumpkin weighed 14 pounds per second weighed 8 pounds are 39 pounds how much did she pay for all 3 pumpkins

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.