1. Marcus saw this expression on a test. A. 15: 3 B. 3 + 2 15+ 3+ (2 x 23) Which part must he answer first ? C. 2 x 23 D. 23 2. What is the correct answer for #1? A. 13 B. 21 C. 33 D. 61 3. Find the correct answer. A. 38 3+ (4 x 6) - 2+1=N B. 36 C. 28 D. 26 C. (0, -1,1,2) D, (-1, -2, -5, -6) 4. Which set of integers is decreasing? A. (-1,0, 5, 6) B. (-5, -3, -2,0) 5. Describe the set of integers (-5, -1,0,1,5). A. They are in increasing order. B. They are in decreasing order. C. They are opposite integers. D. They have the same values.​