Alan has x chocolate bars and gets 10 more bars. He gives away half of his chocolate, and then gets another 10 bars. In terms of x, how many chocolate bars does Alan now have? A : x+15
B: x+20
C: x/2
D: x/2 +15

An item not normally included in ansi recommendations, but recommended by other groups is: a) a syringe b) a blood pressure monitor c) a defibrillator d) all of the above

On a test the graders have a mean of 77 and a standard deviation of 8. if we can approximate the distribution of these graders by a number distribution what percent of the students. a) scores higher than 77? b) should pass the test (grades > 60)? c) should fail the test (grades < 60)?

What is the most important thing to remember in relation to wild animals?