How much interest is earned on a principal of $2.58 invested at an interest rate of 5% for four years

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

Someone me what is the area of this figure? 18m 18m 8m 16m

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.