In the diagram shown, CD is the image of AB after a reflection across line EF . Which of the following pairs of segments do not have to be the same length. (1) AB and CD
(2) BF and EF
(3) AE and CE
(4) BF and DF

The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.