Can some one me with this will give brainliest and explain how you got the answer

Which unit of measure would be the most appropriate to measure the capacity of a bottle of nail polish? a. fluid ounces b. cups c. pints d. quarts e. gallons

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

Sketch one cycle if the cosine function y=2cos2theta