Combining like terms
simplify the expression
-6k+7k

225/100 of last years cost. write each fraction as a decimal and as a percent

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)