Correct answer only ! i cannot retake

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two