Susan's stylist has done a great job of coloring her hair. She wants to leave a 20 percent tip. If the bill was $150, how much should she tip her stylist?
A.
$15
B.
$20
C.
$30
D.
$45

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !