Solve the system using substitution and describe your steps

x = y - 3

2x + y = 12

The average person in the United States is about 90 gallons of water per day this includes washing clothes and dishes cleaning and watering plants of the 90 gallons of water the average person uses each day 30% is used outdoors Mason wants to know

Energy cannot be created or destroyed, so it must be

John made an $80 deposit in his bank account. Then, he used his debit card to buy a $14 CD and a $22 baseball card.

How do you turn 0.65 decimal into a fraction or mixed number into simplest form

The diagonals of a parallelogram are 16 meters and 14 meters and intersect at an angle of 60°. find the length of the longer side.

400lb = 1 oz over a thousand is it 5lb and 1 T

Write the prime factorization of 1323

Simplify this expression: -2x+3 - (5 - 6x).

The set of all natural numbers less than 10 is

How many solutions does this have 2x+3=4x+2