Use the substitution method to solve the system of equations. Choose the correct ordered pair. x+y=12 and -x=-y-10 A (9, 3)
B (10, 2)
C (11, 1)
D (8, 4)

17 in long 1.3 ft wide and 8in high what is the volume

Ineed i been stuck on this question since yesterday

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?