What should the exponent be for 11 am

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy