Which equations are correct? Select each correct answer.

−4b3(5b2+3)=−20b6−12b3

−6y4(4y2+2)=−24y8−12y4

−5a4(2a2+4)=−10a6−20a4

−4x2(2x2+5)=−8x4−20x2

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction