Answer:
for every 2 tables there are 10 chairs, so for 12 tables there are 60 chairs
Question four should be -7, question five should be 99, and question six should be 56.
-(-3)power (n )
n is 1;2;3;4;....
Answer:

Step-by-step explanation:
To isolate r, we're going to need to do some algebraic manipulation.

Multiply both sides by r:

Divide both sides by a:

Hope this helps!
Answer:
-12, -3/4, -0.4, 0.4, 3/4, 8
Step-by-step explanation: