Find the perimeter of a quadrilateral with vertices at C (-2, 1), D (2, 4), E (5.0), and F (1, -3).Round your answer to the nearest hundredth when necessary. 1) 12 units
2) 16 units
3) 20 units
4) 24 units

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

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

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?