Well, 10x4=40 because 10+10+10+10=40 and that means your answer must be 40 ones or you asked something else.
Answer:
It isn't necessary but having a positive coefficient for
makes things like completing the square and factoring easier.
Answer:
i think it's B, no solutions
Step-by-step explanation:
because they are parallel to each other
Answer:
15.8 or 15 4/5
Step-by-step explanation: