Which expeession is equivalent to -6(2/3+2x)?
-4 - 12x
-4 + 12x
4 - 12x
4 + 12x

You paid $7.70 to the mail package that weighed 5.5 lb. right and solve any quetion to find the cost per pound ? ?

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?