Which of the following represents the area of a rectangle whose length is x + 4 and whose width is
x - 9?

x2- 36

x2+ 5x - 36

x2- 5x - 36

x2+ 36x - 5

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

The table represents a linear function. what is the slope of the function? –6 –4 4 6