Is 31 a prime number

F (x) = 3x What is the inverse of the function below?

1) y = 5x + 8 Does the equation represent a direct variation? What is the constant of variation? k = 2) x = 3y + 1 Does the equation represent a direct variation? What is the constant of variation? k =

Katlyn made 4 dresses with 7 yards of fabric. How many yards did she use on 1 dress?

If the 8% tax on a sale amounts to 96$, what is the final price (tax included) of the item?

What is three thousand and sixty-five metres to the nearest kilometre?

Debra drove 380 miles using 14 gallons of gas. At this rate, how many gallons of gas would she need to drive 418 miles?

State whether - -4-) and (-4) represent the same quantity, Explain,

A spherical solid of volume 123,456 is melted and recast into a solid cube. What is the side length of the cube?

The price of an article on sale was 70% of the regular price. If the sale price was $28, what was the regular price?

There are 12 players on a new softball team. before the team starts playing games the team must pay a total of $ 572. along with the registration fee, the team will also need to spend a total of $ 1,240 on equipment.