Use the quadratic formula to solve x^2+4x+6=0

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction