Solve and write solution in interval notation 4(x+1)+3> x-5

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

7x+8y=-18, 4x-9y=-3 solve the system of equations

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?