Use absolute value to express the distance between -12 and -15 on the number line A: |-12-(-15)|= -37
B: |-12-(-15)|= -3
C: |-12-(-15)|= 3
D: |-12-(-15)|= 27

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Factor the expression using the gcf. the expression 21m−49n factored using the gcf