I need help on this.

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Identify the number as a rational or irrational.explai. 291.87