Lincoln constructs a triangle with one side 5 inches long and another side 7 inches long. Which is not a possible length for the third side?

Evaluate the expression. (9 + 5)(3 + 2)0

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

What is the slope of the line (-7,2) (4,6)