Walter scored a 1,285 on a national test in January. He decided to take the test in March again and scored 1,230.
What is the percent decrease in Walter's test scores?
ROUND TO THE NEAREST HUNDREDTH.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.