Uprość wyrażenie 3x + 5y+ 5x=
7(6x+8y)=
65a - 60 - 12a - 2c=
oblicz wartość wyrażenia dla a = -5 i b=3
a + 3b=​

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

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

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score