PROBLEM :Two samples of rats are timed for their maze running time. One group is taking a drug and the other is not. The times are given in the following table:Rats with drug Rats w/o drug15 1112 1313 912 610 1111Determine whether the use of the test drug results in a different maze running time. Use the .05 level of significance.

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Find the solution of each of the following.

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18