My math homework is about elapsed time me

The first five terms of a linear sequence are given below. 7 , 12 , 17, 22 , 27 , what is the next term of the sequence?

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9