Assignment
Find the midpoint of the line segment with the given endpoints
1) (7,2), (-7, -9)

What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?