Can you help me plz.

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

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)