Determine the measure of the indicated angle or arc

Steve is scuba diving near his home in maui. at one point he is 100 feet below the surface. represent this number with a negative number. if he descends another 5 feet, what negative number will represents his.

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b