Can someone please help? The question is in the picture.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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