D E
45 km
18 km
A
21 km
B
What is the exact length of EC?
O 3,274 km
O 385 km
O 2 181 km
O 2v130 km

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

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.