There are 200 students in the seventh grade. the ratio of girls to boys is 5 to 3. what percent of the students are boys?
a: 67%

b: 62.5%

c: 37.5%

d: 40%

Aparallelogram has two side lengths of 5 units. three of its sides have equations y = 0, y = 2, y = 2x. find the equation of the fourth side.

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m