Which of the ratios below is equivalent to 3:1? Select all that apply. A) 6:2
B) 5:2
C) 12:4
D) 15:5
E) 10:3

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x