How would you write 6 × 6 × 6 × 6 as an exponential expression?

Can someone me with my hwplz(only the circled ones)

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}