Which of the following expressions is not equal to X^3? A. X^5 . X^-4 .X^2
B. X^-2 .X^9 .x^-4
C. x^0 . x^10 . x^-7
D. x. x^7 . x^-4

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

Which of the following represents the factorization of the trinomial below? x^2+7x-30