There are 30.48 centimeters in 1 foot. about how many feet are equivalent to 500 centimeters

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

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.