A child's ticket for the aquarium is 0.45 times the cost of an adult's ticket. An adult ticket costs $13.00. Mr. and Mrs. Lewis took their two children to the aquarium. How much did the Lewis family spend to enter the museum? help?

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?

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?