A midsegment of AQRS is AB, and AB || QS. If AB = 3x + 1 yards and QS = 9x – 7 yards, what
is the length of AB in yards?

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Is (root2 -2)^2 rational or irrational. show the steps and answer fast

Reyna has 3 dimes (worth 10 these coins at random, what is the probability that the two coins together least 35 cents? cents each) and 6 quarters (worth 25 cents each). if she chooses two of will be worth at