Answer:
11
Step-by-step explanation:
(-3)²-3(-3)-7
9+9-7
11
Answer:
See below.
Step-by-step explanation:
Just like 18, continue with 19-21. Solve for x by rewriting each equation in log form.

When rewriting the form, the base of the exponent becomes the base of the log.
Answer:
x= 5/2 + y/2
Step-by-step explanation:
So yeah... that's the answer
1 & 4 & 6 are the answers