If the line that connects the boat to the parasail is reeled in by 20 meters and the angle of elevation changes to 38° from the boat, how many meters above the lake is the man to the nearest tenth of a meter? a) 67.4 m b) 85.6 m c) 86.3 m d) 177.9 m

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

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

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.