Segment AB is being dilated with the center at the origin. The image of A, point A prime, has coordinates of (3.2, 6.4). What is the scale factor of the dilation and the coordinates of point B prime? On a coordinate plane, point A prime is (3.2, 6.4), point B prime is (negative 4, negative 6) and point A is (4, 8).

The scale factor is 0.8 and the coordinates of point B prime are (–3.2, –4.8).

The scale factor is 1.25 and the coordinates of point B prime are (–3.2, –4.8).

The scale factor is 0.8 and the coordinates of point B prime are (–5, –7.5).

The scale factor is 1.25 and the coordinates of point B prime are (–5, –7.5).
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Anull hypothesis states that the difference between 8 hours of sleep and 3 hours of sleep has no effect on the number of pictures a student will remember during a picture memory interface test (pmit). examining the mit database, an extremely small t-value of 0.1611 is found. this t-value is much smaller than the smallest t-value on the chart for p-value reference. from this information we can: select one: a. accept the null hypothesis because the p-value obtained shows that the difference between the two groups being tested is not statistically significant b. accept the null hypothesis because the p-value obtained was statistically significant c. reject the null hypothesis because of the p-value obtained d. reject the null hypothesis because the data obtained is statistically significant