Solve using substitution.

y = - 2

7x - 4y = 1

Select the correct answer. You are conducting a study on the health of people who have been exposed to radiation and those who have not been exposed to radiation.

Keith bought a soft drink for 3 dollars and 5 candy bars. He spent a total of 13 dollars. How much did each candy bar cost?

The sum of three times the larger of the two integers and twiec the smaller integer is - 19. the difference between the two integer is 7. What are the integers?

If you are told only that you scored 80th percentile do you know from the description exactly how it wad calculated? Explain

Solve 3x+5 = x+14?

Which item has a unit rate of $6.50? caps: 4 for $25.00 posters: 3 for $20.25 tote bag: 4 for $30.00 T-shirts: 5 for $32.50

Choose the equations that are not linear equations. - x - y = 2, x^2 + y = 4, x/2 - y^3 = 1, x = 5

Name two angles which are supplementary to angle 5.

AZ recycled pays the rates of the chart below for recycling certain material if 0% for number of pounds of copper make recycled and Y represents the amount of money earned for recycling which equation below would be used to make that calculation

An expression is subtracted from a term as shown below 4x - (x-3y). Evelyn rewrites the problem as 4x-x-3y. Did evelyn write an equivalent expression to the original problem