Answer:
A -60i - 14j
Step-by-step explanation:
u = -9i + 8j
v = 7i + 5j
2u = 2(-9i + 8j) = -18i + 16j
6v = 6(7i + 5j) = 42i + 30j
2u - 6v
(-18i + 16j) - (42i + 30j)
(-18i - 42i) + (16j-30j)
-60i - 14j
Answer:

Step-by-step explanation:

You need to use the distance formula to find the radius of the circle.

The radius is 3.
The circumference is

Answer:
19x because I add them together then add the x at the end.
Each lemonade costs about $2.22. You can achieve this answer by dividing 12 by 5.40.