Which variable expression matches the word phrase "4 less than 2 times a number"
a. 4 - 2x
b. 2x - 4
c. 4x - 2

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

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?