You owe $20 on your credit card. You begin spending $50 every week on groceries. Write and solve an equation to find the number of weeks it will take for your account balance to reach -$370.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.

answer: entity is prob the answer

step-by-step explanation:

no because mercury has a density of 13.6 grams per centimeter squared while gold has 19.32 grams centimeter squared

step-by-step explanation:

step-by-step explanation: