When you are adding a positive with a negative, what happens when the negative number has a higher absolute value?

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

The measure of an angle is 117°. what is the measure of a supplementary angle?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*