A circular logo is enlarged to fit a t-shirt. The new diameter is 100% larger than the original. By what percentage has the area of the logo increased?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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 volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume