A bag contains 150 cubes that are black, yellow, and white. A student randomly selects a cube without looking and replaces it in the bag. If the student selected 3 black cubes, 8 yellow cubes, and 4 white cubes, which of the options below show a reasonable estimate for the total number of a certain cube in the bag? Select all that apply. A) 80 yellow cubes B) 30 black cubes C) 60 black cubes D) 40 white cubes E) 120 yellow cubes

1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?