Consider the function y = cos (x + pi/6). which of the following is true? a. there is a phase shift to the left. b. there is a phase shift to the right. c. the graph is reflected across the x-axis. d. the graph is stretched horizontally. e. the graph is compressed horizontally

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap