1. Which term below could not be part of a polynomial expression? - 3x
2
(1)
(3) x2
(2) 13
(4) 5x

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

What is the value of x in the following equation? -3x-2=2x+8

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?