Answer:
Step-by-step explanation:
cos theta is 2/3 because cos means reciprocal of sec
Answer:
The choice D.
Step-by-step explanation:

Answer:
-12, -11, 4, 12
Step-by-step explanation:
A negative number is less the higher it is, and a positive number is more the higher it is
Answer:
7/18
Step-by-step explanation:
-4 × -7
9 × 8
28/72, which would simplify to 7/18
Answer:
-9i. if 6 plus 3 = 9 and the six was a negative plus a positive 3 it's -9 and the 3 had any I attached do it's -9i