Rewrite 5/3 with a denominator of 12

Andy is making a design using ice cream sticks that are 4 and 1/2 in long he wants this long side of his designed to be no longer than 24 inches what is the greatest number of sticks that any can use on his long side of his design

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

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10