Combine Like Terms. 3x + 5y -x +y -10 +5 -8xy + xy+15
-4x + 6y +5
-2x + 6y - 5
-2x +6y +5

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 measure of an angle is 117°. what is the measure of a supplementary angle?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry