Teri incorrectly solved the system of equations below. Correctly identify the error Teri made.

2x - 10 y = -30

x - 5y = 20

Step 1:

x - 5y = 20

x = 5y + 20

Step 2:

2(5y + 20) - 10 y = -30

10y + 40 - 10y = -30

40 = -30

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Which of the following is an equation of a line parallel to the equation y=4x+1?

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.