Carbon-14 has a half-life of approximately 5,730 years. Imagine a wooden artifact with an original Carbon-14 mass of 100 grams. How many years will it take for there to be 12.5 grams of Carbon-14 remaining?

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

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?