The price of a notebook was $3.55 yesterday. today, the price fell to $3.30 . find the percentage decrease. round your answer to the nearest tenth of a percent.

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?