How do you get the answer to 3y=18

Evaluate e/4+2f-3 when e=12 and f=1/2

You bought 3 whiteboard markers and one eraser for each of the ten students in class. A eraser costs $2.75 and the total cost was $177.50. Write and solve an equation that you could use to find the cost of each whiteboard marker

Find the equation of the line that: goes through the origin and is parallel to the line y=-0.5x-8

Examples for finding the meaning of an unknown factor and quotient

Which ordered pair (x, y) is the solution to the given system of linear equations? 3x+3y=-3 -2x+y=2

You need to buy laundry detergent in your favorite brand comes in three different sizes size 1 cost $7 and is enough for twenty eight loads size 2 cost 1472 and it's enough for 64 loads in size 3 cost 24 and it's enough for 100 loads what size is

What do they call a number that goes on forever?

In this fulcrum, the weights are perfectly balanced. How far must the fulcrum be located from the 40 lb. weight if the bar is 11 feet long?

A dishwasher salesman whose base pay plus commissions amount to $30,605 last year earned a commission of 12.5% on each dishwasher sold.

If Mia had 500 beads before she gave her 5 friends 100 beads. Mia gave 5 her friends 100 beads each. Her mother gave her 60 more beads, then her little sister stole 20 of her beads. How many beads does she have now?