12. Find the value of m and of n for each of the following quadratic inequalities:

(a) r^2+ mr
(b) 2r^2 + m > nx which is satisfied by x < -2 or x > 5.

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

What is 140% of 25? because i need

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x