Ahighway patrolman spots a speeding car. he clocks it at 70 mph and takes after it 0.5 miles behind. if the patrolman travels at an average rate of 90 mph, how long before he overtakes the car?

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

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?

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.