A projectile is 3 m above the ground when it is sent into the air. After 1 second, it is 43 m
high. After 4 seconds, it is 43m high. After 5 seconds, it is 3 m above the ground. Model
the data with a quadratic function of the form
y =

+ bx + c.

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

One positive number is 9 more than twice another. if their product is 95, find the numbers

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?