A skier at the top of a 3000m slope weighs 85kg with all of her gear. How much gravitational potential energy does she have before she skis down the hill?

Aboard game uses a fair six-sided die and a spinner with five equal-sized sections colored dark blue, green, light blue, red, and yellow. players roll the die and then spin the spinner. match each probability statement to its correct value.

Is every rectangle is a parallelogram? true false

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