Suppose that 20 students take a statistics exam worth 100 points. The standard deviation of the exam scores is 5 points. Which one of the following statements gives the most reasonable description of the distribution of exam scores?

The difference between 23 and Q1 is 5.
All of the individual scores are five points apart.
A typical score is within 5 points of the mean.
The difference between the highest and lowest score is 5.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.

Which equation represents h in the triangle? a) h = 6sin37° b) h = 10sin37° c) h = 6 10 sin37° d) h = 10 6 sin37°