Answer:
X = 40
Explanation: (2x) = 80
80/2 = 40
X = 40 degrees
Answer:
$6.30 per DVD
Step-by-step explanation:
25.20/4= 6.3
Answer:
Steps shown below
Step-by-step explanation:
We will simplify this using definitions and identities. Let's start.

Using
, we have:

Using
, we have:

Hence, proved.
Answer:
The first problem has no real solution
Step-by-step explanation: