Simplify each of the following expressions to find the length of the tightrope. a) 5+2+8 b) 7+3+2+(-4) c) 4+9+3 d) 8+6+2+(-5)

To ? nd out how many students are unhappy with the dining hall food, you distribute a survey. which method of surveying would produce the least amount of bias in your data?

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.

(x-5)1/2+5=2 what is possible solution of this equation