Please answer this correctly

What are the sotions to the quadratic equation 9x^2=4

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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