An extraneous solution can be defined as:

Select one:
a. A solution that will work in any equation.
b. A solution that is not valid in the original equation.
c. A solution that can be positive or negative.
d. A second solution to an equation.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

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