How would i write this in a proportion 15% of the class drinks milk with lunch how many kids are in the class if 3 drink milk

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4