What are the variable is terms in this expression 2c + 15cd + 9d + 12 2, 2c, c, 15, 15cd, d, 9, 9d, 12, cd, don't get this wrong

Solve the system by the elimination method. x + y - 6 = 0 x - y - 8 = 0 when you eliminate y , what is the resulting equation? 2x = -14 2x = 14 -2x = 14

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.