Answer:
Step-by-step explanation:
a. 4x+4y
b. 8a+24b
c. 6x+33y
d. 63a+54b
e. 3ac+bc
f. 2xy+11yz
Answer:
answer is B 38-18
Step-by-step explanation:
38 + (-18)
38-18
Answer:
perpendicular (90 deg to each other)
Step-by-step explanation:
Answer:
120 degrees.
Step-by-step explanation:
The 5 exterior angles sum to 360 degrees.
So the 5th exterior angle = 360 - 4(60)
= 360 - 240
= 120 degrees.
Answer:
Step-by-step explanation:
4
