Eight more than the sum of six times a number and nine times a number add to one

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

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.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?