If two rhombuses has equal side lengths are they both congruent? (equal)

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

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10