Examples of ax^2 + bxy + cy^2

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Write the following as a base and exponent

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