A surveyor standing next to a hut on one side of a river sights a boulder on the other side and determines the angle from the hut to the boulder is 70o. She then walks 100 meters parallel to the river until she arrives at a tree. The angle to the boulder from the tree is 32o. How far from the hut is the boulder?

Which graph shows a function with a range of all real numbers greater than or equal to -1

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

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?