A tree casts a 60 foot shadow. The angle of elevation is 30°. This is the angle at which you look up to the top of the tree from the ground. What is
the height of the tree? *

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

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b