Look at the following numbers:

− 4, −1, 0, 4

Which pair of numbers has a sum of 0?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

How many solutions does the nonlinear system of equations graphed below have?

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319