Need asap! -5 1/2 + 6 3/4 + (-4 1/4) = ? options: 1} 5 1/2 2} 16 1/2 3} 8 4} -3

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

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.

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish