Please help, i really need it

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

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Which graph represents the given linear function 4x+2y=3