Please help me i need it right now : which of the equation have two solution? Are the solution real or not real?

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers