Create an expression with at least 6 terms that would simplify to 9x+y+6

If the discriminant if a quadratic equation is 4 which statement describes the roots?

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

Let f of x equals the integral from 1 to 3 times x of the natural logarithm of t squared. use your calculator to find f″(1).