PLEASE HELP Which graph is best to show categorical data?

A. box-and-whisker plot
B. line graph
C. scatter plot
D. circle graph

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers