I really extremely need help! I will give you 5 stars and branilest The grinch stole 950 items from the Whoville residents that night. Out of all the items, 19 were christmas trees. What percentage of the items stolen were christmas trees?

Which of these figures must be a rectangle?

1. suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6. a. label the curve: show the mean and the value at each standard deviation: b. if angelica scored a 76 on the test, what is her z-score? (draw her score on the curve above and label) c. what percent of students did angelica score higher than? how can you tell? d. if 185 students took the test, how many students scored higher than angelica?

Which graph or graphs appear to show a sinusoid? < me asap !