Whats 1+1+2+4+5+7+9? (i'm just giving away free points)

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73