Factor completely: 2x2 - 200 a) (x - 20)(x +10) b) (x - 10)(x + 10) c) 2(x - 4)(x + 50) d) 2(x + 10)(x - 10)

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.

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost