Blakemore elementary school has 1,000 students. each of the 15 student council members of blakemore elementary school is responsable for telling exactly 2 other students about the upcoming school pep assembly. each of those 2 is then responsable for telling 2 other students. it takes 15 minutes for each round of students to be told. how many minutes will take for 1,000 students to receive the information about the pep assembly?
minute students total number of students told
0 15 15
15 30 15+30=45
30 60 45+60=105

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?

Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?

What are the solutions of the following system? y=-2x^2 y=x-2