What is the critical value t' for constructing a 95% confidence interval for a mean with 8 degrees of freedom?

If g(x) is an odd function, which function must be an even function?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60