Use quadratic regression to find the equation of the parabola going through these 3 points. (3, -12), (-2, 43), (3, -57)

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

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