What is a real life word problem for (-7) + (7). Solve problem. Can you help?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2