Answer:
B) one solution
Step-by-step explanation:
The blue line and the red line cross at only one point so there is one solution. It would be no solution if the blue line never crossed the red line and it would be two or possibly more solutions if the lines crossed more than once.
Refer to attachment for your answer
Answer:
Obtuse because it bigger than an acute and a right angle
Denominator:

so excluded values are x = -1 and x = 1.
Answer D.
6 after you calculated it