Abird starts at 20 m and changes to 16 m what is the final elevation

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?