The flight path of an object can be modeled by h(t)= -16t^2 +30T+13 where h is the height of the object in feet and t is the time in seconds how long will it take the object to land on the ground? A2.2 sec
B0.7 sec
C1.3sec
D0.4sec

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

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?

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?