Danielle sells beauty supplies and earns a base salary of $450 per week plus a 9% commission on sales. during one particular week, she sells $895 worth of beauty supplies. a) how much commission does she make for that week? b) how much total money does she earn before taxes that week?

22 points algebra 1//sum and product of rational and irrational numbers. dont have to do all 4 if could much : )) write an example: 1) how the product of two identical irrational numbers can be a rational number. 2) how the product of two different irrational numbers can be a rational number. 3) write a quotient of intergers that is not a real number. 4) is the set of positive irrational numbers closed for the operation of division? if not give a counter example.