A train pulls into a station and lets its passengers off graph

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]