Helps please When
Blank angles made by two lines and a transversal are congruent, the lines
are parallel.
A) same side interior
B) alternate interior
C) supplementary
D) same side exterior

Sketch one cycle if the cosine function y=2cos2theta

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Find the ratios of the corresponding sides