If s(x)=x-7 and t(x)=4x^2-x+3 , which expression is equivalent to (t*s)(x)

There is diarrhea on the floor. what do i do? my mum gonna see that i diarrhea on the floor! * don't report, i'm serious! *

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

Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.