If each game costs 2 tokens, 120 tokens would equal 60 games.
<span><span>x = x^2 - 30
or
x^2 - x - 30 = 0
Factors to
(x-6)(x+5) = 0
x = +6 is the positive number</span></span>
I believe the answer for 17 is C. 18 I am not sure how to do. For 19, however, the answer is B. Hope I help, and sorry I can't answer 18.
Answer:
Triangle 1 line segment AB and triangle 2 line segment BA correspond to each other
Step-by-step explanation:
Point b and point a don't correspond to anything else
triangle 1 and 2 are congruent my answer would be a 50/50 guess between C and D If it were me id risk it and go D but it is up to you.
Extraneous root since dividing by zero is undefined
