Jack needs 130 bottles of water for a
class trip. He already
has 10 bottles and will
buy the remaining in
cases of 24 bottles of
water. How many
cases, c, does Jack
need to buy?

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

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

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?