Answer:
Given that:
and 
if a , a+ commutator, it obeys 
First find:
= 
Now;
=
therefore, which implies the operators a and a+ are commutators.
Answer:
10x+3.50=
Step-by-step explanation:Hope this is correct
Answer:
Divide both sides by 4
Step-by-step explanation:
Please give brainliest
Answer:
(-38) / (-8)
equals 4.75
a negative divided by a negative is always a positive
Step-by-step explanation:
Answer:
$128.40
Step-by-step explanation:
Find the total cost of the pizza before tax.
15 × 8 = 120
Set up a proportion to find the tax.
7/100 = x/120
Cross multiply
840 = 100x
Divide both sides by 100
Tax = $8.40
$120 + $8.40 = $128.40
I hope this helped and please mark me as brainliest!
