Geoff has a bag that contains 4 red marbles and 6 blue marbles. he chooses two marbles at random and does not replace them. what is the probability that the first marble is blue and the second marble is red? as a fraction

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?