Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution?
y=-x-1
y = x + 3

What signals you that factoring by grouping is the best method to use when factoring a problem?

The weight of a full steel bead tire is approximately 800 grams, while a fighter wheel weighs only 700 grams. what is the weight of each tire in pounds?

Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?