Please help I need to find x + y, yz, and 2x + y + z. Please help I’ll give brainliest

Sum is 17 and their difference is 3

Landon wrote that 3−2.6=4. which statement about his answer is true?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?