Can anyone me with e and d i am getting stuck and need will give 10 points

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

5x−4≥12 or 12x+5≤−4 can you with this problem

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?