The earnings of two employees are given below: Employee A: 5% commission on all sales. Employee B: 3% commission on the first $70,000 and 9% commission on anything over $70,000. How much more does a graduated commission employee make over a straight commission employee for sales of $130,000? A. $500 B. $2,000 C. $1,100 D. $1,500

If a =6, what is the value of 2a(3b + 5c)?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?