An art class contains 87 jars of paint. One-third of the paint colors is red, the remaining two-thirds is purple. What is the ratio of purple paint to red paint? A group of preschoolers has 34 boys and 45 girls. What is the ratio of boys? ratio please 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?

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.