What is bigger 0.09 or 0.089

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?

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red