Rectangle abcd is dilated by a scale factor of 2 with the origin as the center of dilation, resulting in the image a′b′c′d′. if the slope of `bar(ab)` is -2, what is the slope of `bar(a'b')` ?

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

A. s.a.! similarity in right triangles, refer to the figure to complete this proportionc/a = a/? a.) cb.) hc.) rd.) s