How do you know when to add in a problem?

Find the slope and intercepts for each line.

Ruth contributes 18% of the total cost of her individual health care. This is $67.50 deduction from each of her biweekly paychecks. What is the total value of her individual coverage for the year?

Suppose that 9% of the general population has a disease and that the test for the disease is accurate 70% of the time. What is the probability of testing positive for the disease? A. 33.6% B. 33.2% C. 32.4% D. 32.8%

How do you subtract 7 and one fourth and 4 and 11 twelves

Start solving #2 with the substitution method 2. a + b + c = 9 a - 8b - C = - 27 2a - b + c = 6

Simplify the expression below. -5 (2x - 1) + 3x

Are all cubes congruent

Find the normal form of the equation of the plane that passes through p = (0, - 4, 5) and is parallel to the plane with general equation 3x - y + 5z = 3.

Five times a number x minus 9 is two thirds of a number y. What is the equation?

The maximum weight an airline allows for a suitcase is 50 pounds. Ella's suitcase weighs 8 pounds empty. If Ella meets the requirements, what could be the weight of the contents of her suitcase?