Solve the following system of equation for both x and y.

y=2x-20
y= -x+7

Select a graph that have an equation with a < 0

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle