- Triangle Inequality Theorem: States that the sum of any two sides of a triangle is greater than the length of the third side;

So for this, we are applying the triangle inequality theorem. If any of the inequalities are not true, then this cannot be a triangle. (Let A = 7.7, B = 4.0, and C = 1.7)

<u>Since the second inequality is false, these lengths cannot form a triangle.</u>
bvcdrtStep-by-step explanation:
C is the right answer I’m positive
Answer:
The temperature at midnight would be 12 degrees cause -7 +7+7+ 5=12 and the equation for that would be -7+7+7+5= x
Hope that helps!