Which of the following are like terms?

15y8, 4y7

105y10, 222y10

12y7, 14y6

16y12, 12y

What is the greatest common factor of 8 and 36

If δmtv is reflected across the y-axis, what are the resulting coordinates of point m? a) (-2, 5) b) (-5, 2) c) (5, -2) d) (-2, -5)

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.