Use elimination to solve each system of equations.

2x - y = - 1

3x - 2y = 1

The product 3.09 x 304.87 = ?

A rectangle perimeter and its are have the same numerical value. The width of the rectangle is 3 units. What is the length of the rectangle in units

The difference of six times a number and 7 is - 49

During dance practice, Sasha drank 21⁄2 pints of water, and on the way home she drank 1⁄2 cup of water. How much water did she drink in total?

Find 60% of 180. An explanation would be wonderful!

Thomas has a bag with 7 green marbles, 5

identify the vertex of the graph tell whether minimum or is it maximum. y equals - 1 and xbox equals - 4

como calcular la cantidad de horas por proyecto si un contratista tiene 5,000 horas-hombres y el costo es de $10 y $12 por proyecto para un total de $55.000 horas-homres

A city had population 67,255 on January 1, 2000, and its population has been increasing by 2935 people each year since then. A linear model for the population P, where t is in years after 2000, is

A recipe that makes 6 servings calls for 1/2 cup of butter. Nancy modifies the recipe so that it can serve 8 How many cups of butter does Nancy need?