J is the set of whole number multiples of 3 that are less than 15. 15 ∈ J

Dan earns £224 over the course of a five-day week. How much is that per day?

You can do one half of a job in an hour. Your friend can do one third of the same job in an hour. How long will it take to do the job if you work together?

31. The Lopez family bought a plot of land in the shape of a parallelogram. It is 100 feet wide (across the front) and 200 feet deep (the height). Their house covers 2,250 square feet of land. How much land is left for grass?

What is x=60 and y=18? Using Constant of Proportionality.

Sam's shoe store put all of its shoes on sale for 20% off. If Jason saved $10 by buying 1 pair of shoes during the sale what was the original price of the shoes before the sale.

What is the surface area of a box if it scaled up by 10

Solve for 6x+4 (3) = 8 (x+4) - 2

What is x+x+40=180 in angles

I need with absolute value.

Recall that to find the cost to produce the nth unit in a production process, we calculate the difference C (n) - C (n-1) where C (n) is the cost of producing n units.