Jessica goes out to eat at a restaurant. the meal costs $18.40, and jessica wants to leave a tip that is of the cost of the meal. how much should jessica leave for the tip?
a. $0.15
b. $2.76
c. $18.25
d. $20.00

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Find the roots of the equation below. x^2 - 6 + 9 = 0

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours