Dule works as a hairdresser and only earns money on tips and commission. She makes 15% commission on the total amount of shampoo that she sells to each customer.
After Laura's haircut, she bought $30 worth of shampoo, making her total bill $70. Laura gave Julie
an additional 20% tip on the total bill for Julie's outstanding work.
How much money did Julie make from the commission and tips from Julie? (2 points)

1/2*qr*rs

step-by-step explanation:

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8  

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.