Answer:
270
Step-by-step explanation:
Just multiply.
5*6*9=270
Answer:
It's C.7
Step-by-step explanation:
Use the foil method
Answer:
-14
Step-by-step explanation:
Step-by-step explanation:
-3y=12+3x
-y=4+x
y=-4-x and m which is the gradient is the coefficient of x which is -1, therefore m=-1
Answer: 50 cubic in .
Step-by-step explanation: 10x2= 20 and then 20x2.5=50