Determine if -5 is a solution for the inequality 1-2d-9

Which is the completely factored from of xy^3-x^3y

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.