Reduce to simplest form. -1\3 + (-7\4)

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

Rewrite so the subject can be y in the formula d=m-y/y+n