Whats 129443×4233456≈ to? (≈ means estimated or something like that)

Which of the following tables represents exponential functions?

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.