1 2 and 3 I will give brainliest if all three are right

If rt is greater than ba, which statement must be true ?

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

(x-5)1/2+5=2 what is possible solution of this equation