What is the expression -3(4k-8) simplified

Three times the sum of a number and seven is negative thirty-six. what is the number?

During how many months was the difference between the number of days with homework and with no homework greater than 6?

Sarah is collecting recyclables for a science project. on the first day she collected 35 recyclable objects. on the second day she had a total of 52 recyclables. on the third day she had a total of 69 recyclables. determine if the scenario describes an arithmetic or a geometric sequence. then, write the recursive formula for the sequence described.