In the first week of a diet program, eight women lost an average of 3 pounds each. What was the total weight change for the eight women? Note: Include a sign with your answer, either negative or positive.

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.

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

The tile along the edge of a triangular community pool needs to be replaced? ?