Find two consecutive positive even integers such that the sum of their squares is 452 show work

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

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b