PLEASE HELP DUE AT 3:00 PM EST A three-character code uses the letters D and Q. Either of the letters may be repeated.
Find the probability of the code QDQ.

In the geometric progression –3, 12, −48… what term is 3,072?

Which of the following is the inverse of y = 3∧x y = 1/3∧x y = ㏒3x y = (1/3) ∧x y = ㏒ 1/3∧x

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.