Explain how to determine if the two expressions are equivalent using x = 6 and x = 2.

2x + 4 – 1 3 + x + x

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?