Answer:
The answer is incorrect; the plus sign should be a minus sign (apex)
Step-by-step explanation:
Greater than 90° but less than 180°.
Answer:
Line 2 for part a
The system of equations for part b
and line 1 for part c
Step-by-step explanation:
Answer:
a. 5i + 13j
b. 8i
c. 10i + 6j
Step-by-step explanation:
a. 2i + 6j + 3i + 7j = 5i + 13j
b. 3i + 7j + 5i - 7j = 8i
c. 2i + 6j + 3i + 7j + 5i - 7j = 10i + 6j
