Ron traveled 6.8 miles of his delivery route in 12 hours. At this same rate, which of the following is closest to the time it will take for Ron to travel 20 miles?
O 3 hours
O 3.5 hours
O 6 hours
O 6.5 hours

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

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.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /