If you buy a necklace for $400 on your credit card, which charges 21.3% simple interest, how much interest will be added after 15 months?

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

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