1/9 - (-2/5 - 8/9) = 1/9 + 2/5 + 8/9 = 1 + 2/5 = 7/5 or 1 2/5
Student 1 and 3.
Move the negative into the brackets,
positive becomes negative while two negatives make a positive.
Answer:
3. they are both equvilent.
4. onl makes a right angle and mnl makes an upside down right angle.
5.makes a definition.
Step-by-step explanation:
Answer:
15. -2 16. 0 17. undefined
Step-by-step explanation:
Slope of two points can be calculated by (y change) / (x change).
(y1 - y2) / (x1 - x2)
15) (1-5) / (4-2) = -2
16) (6-6) / (1-10) = 0 since y change is 0.
17) (-5-3) / (4-4) = undefined since x change is 0 but you cannot devide by 0.
Answer: answer is b.58
Step-by-step explanation:
