How do u solve y=-8x

2x+4y=0

How many square units are in an office that is 18 units by 8 units?

For this problem how do i get n? 6n-12=n+3

There are 5 students in class. each will be assigned a grade of a, b or c. in how many ways this can be done?

The sum of 5 times a number and 9 equals 3.

Abe is going to plant 54 oak trees and 27 pine trees. Abe would like to plant the trees in rows that all have the same number of trees and are made up of only one type of tree. What is the greatest number of trees Abe can have in each row?

The high school, middle school, and elementary school are all on the same road. The distance from the high school to the middle school can be represented by the expression 8.7x2+11.9x+3.5.

What is LCM of two numbers if one number is a multiple of the other? give an example

8 packs of baseball cards 3 fewer packs of hockey cards than football cards 17 pack in all how many hockey cards and football cards?

Jim is at his house, and his car has 25 miles until it runs out of gas. would jim be able to make it from his house to the grocery store and back without stopping for gas? explain.

Three girls share $0.60. Each girl gets the same amount. How much does each girl get?