Eight white balls and twenty black balls are in a bag. What is the probability of drawing a black ball in one draw?
2/5
5/7
1

What values of c and d make the equation true?

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

Write the component forms of vectors u and v, shown in the graph, and find v − 2u. u= (< -3, -2> , < -3, -1> , < -2, -2> , < -2, -1> ) v= (< -5, 1> , -4, 0> , < 0, -4> , < 1, -5> ) v-2u= (< 5, 3> , < 0, 4> , < 4, 0> , < 5, -3>