Plz help me I am in exam
find sum of it

x=120

Step-by-step explanation:

This is a parallel line

So the equation is

x+60°=180°

=>x=180°-60°

Therefore

x=120°

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

graph b

step-by-step explanation:

one solution- graph a (clear intercepting point.)

no solution- graph b (they're parallel, there will never be a point of interception.)

infinite solutions- graph c (all points intercept.)