Drilon got 63 out of 72 correct in his test. What fraction of the marks did he get wrong?
Give your answer in its simplest form.

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

In the diagram, gef and hef are congruent. what is the value of x

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.