Solve the system of equations. −2x−7y=30 7x+4y=18

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

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

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