The diagonals of a rectangle are always Select one:
a. equal and bisect each other
b. equal and perpendicular to each other
c. perpendicular and bisect each other
O d. none of these

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

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?