Delaney gave her nail technician a $5.10 tip. The tip was 5% of the cost of the manicure. Write an equation to find b, the cost of the manicure. If all percents are expressed as decimals, the equation nothing can be used to find b, the cost of the manicure.

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

can i see the following ?

step-by-step explanation:

c) the median for town a 30" is greater than the median for town b 25"

step-by-step explanation:

town a, median = q2 = 30

town b, median - q2 = 25

so the median for town a 30" is greater than the median for town b 25"