The letters A, B, C, D, and E are randomly arranged in a box. The numbers 1, 2, 3, 4, 5, 6, 7, and 8 are randomly arranged in the second box. If a letter and a number are drawn from each box respectively, what is the probability that a Vowel and an even number are drawn?​

Abag contains 3 blue and 2 green marbles. what is the probability of drawing a blue marble followed by a green marble, without replacing the first marble?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4