Help please? i don't know what to do if the base is X

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

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

Qrst is a parallelogram. determine the measure of ∠q pls