Which statement is true about the polynomial 3x?y2 - 5xy2 - 3x²y2 + 2x2 after it has been fully simplified?
It has 2 terms and a degree of 2.
It has 2 terms and a degree of 3.
It has 4 terms and a degree of 2.
It has 4 terms and a degree of 4.

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

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

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =