To solve this system of equations by addition (elimination), what could you multiply each equation by to cancel out the x-variable? a: 2x−3y=−6b: −5x−9y=15 a. multiply a by 2 and b by 5 b. multiply a by -5 and b by 2 c. multiply a by 5 and b by -2 d. multiply a by 5 and b by 2

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

Ineed with number 6 , explain how to get 1978

Asalad dressing recipe calls for 1 teaspoon of vinegar and three tablespoons of olive oil to only make 1/3 of the recipe for a single portion how much of each ingredient would you need