A triangle has side lengths of (106 + 3c) centimeters, (46+ 4d) centimeters, and (5d + 7c) centimeters. Which expression represents the
perimeter, in centimeters, of the triangle?

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

Which of the following circles have their centers in the third quadrant? check all that apply.

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2