Harvey is solving an equation. His work is shown below. 5x+(5x+9)=5
(5x+5x)+9=5
10x+9=5
Which statement describes the procedure Harvey used in his work and which property justifies the produce? A.) Harvey regrouped the terms to add 5x and 5x. This procedure is justified by the associative property B.) Harvey regrouped the terms to add 5x and 9. This procedure is justified by the commutative property C.) Harvey regrouped the terms to multiply 5x and 5x. This procedure is justified by the commutative property D.) Harvey regrouped the terms to multiply 5x and 5x by 9. This procedure is justified by the associative property.

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?

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?