Can some one solve 4 for me plz I’ll give a crown

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

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3