Which complex number has a distance of √17 from the origin on the complex plane?
a. 2 + 15i
b. 17 + i
c. 20 - 3i
d. 4 - i

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.