Which of the binomials below is a factor of this trinomial?
5x^2 + 15x - 50
a. x + 10
b. x - 10
c. x - 2
d. x + 2

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?