Which of these is an example of a random sample?
A.
A sports store asks customers whether or not they enjoy basketball.

B.
One of the three best basketball players on a team are randomly chosen for a basketball shoot-out.

C.
Three audience members are randomly chosen to participate in a halftime shoot-out at a basketball game.

D.
At a team owners meeting, three people are surveyed to determine the percent of the population who enjoy basketball.

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?

The three sides of a triangle have lengths of 4x+3, 2x+8, and 3x-10. what is the length of the shortest side if the perimeter of the triangle is 136cm?