Help I need help with this question

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Find the percent error of the measurement 4 cm

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).