The answer is 5,-2,-3 but i need with steps that make sense what is the solution to the system of equations? x+3y−z=2 4x+2y+5z=1 3x+z=12 (−1, 2, 3) (3, 0, 3) (5, −2, −3) (−4, 1, −3)

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

With alll of except for the 2 that i did already