Three angles of a triangle are cut off in lined up on the line below which statements describe the relationship of the angles in a triangle check all that apply

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?

What statement is true? 2x^2-9x+2=-1

What is the value of x in the equation7x+2y=48 when y=3