Answer:
8a. 0 8b. -1/3
Step-by-step explanation:
slope formula:
8a. => (8 + 12)/(17 - 17) = 20/0 = 0
8b. (1 + 2)/(-3 - 6) = 3/-9 = - 1/3
128
32 ÷ 4• 4 ÷ 2 • 2
8 .4.2.2
8 1/4 hours
1/-16