Express as a single term from Pascal's triangle in the form tn, r.
a) t5,7 +t5,8
b) t9,2 + t9,3
c) t3,4 + t3,5​

Derricks dog sitting and darlene's dog sitting are competing for new business. the companies ran the ads shown. which dog sitting service is more economic to use if you need 5 hours of service? explain.

What is the value of x in the following equation. -x ^3/2 = -27

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