The diagram shows a rectangle with its dimensions in centimeters.
with sides (3y+2),2x,(x+7),(x+y+1).
a. Find the values of and .
b. Find the area and perimeter of the shape.

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

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

Find the commission on a $590.00 sale if the commission is 15%.