Amarketing firm claims that its ad campaign will increase sales of a toy during the holidays by 25%. what would the null hypothesis be in this scenario?

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.