Kai and paula are two of the five members of a singing group. Every week, the group picks two names at random to sing a duet. What is the probability that Kai and Paula will be chosen this week.

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

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