Afootball star earns a $12 million annual salary in 2010. in 2015 he will earn $14,500,000. what is the rate of change of his salary per year?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

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

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)