Find the length of the arc

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)