The graph below shows the cost of pens based on the number of pens in a pack. What would be the cost of one pen? A. $1.50

B. $2.30

C. $6.00

D. $13.50

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

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