Add the two expressions. 6q + 1 and q + 11

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence. then write an expression to find dario's text messaging bill if he sends n text messages over 250.

Factor p 2 + 18p + 32. (p+ 4)(p + 8) (p + 2)p+ 16) (p + 16)2

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much