HELP!! Polygon ABCD, shown in the figure, Is dilated by a scale factor of 8 with the origin as the center of dilation, resulting in the image A'BCD. The slope of CD is?

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true