So, dimensional analysis will help with this

Hope this helps!
Answer:
44h
Step-by-step explanation:
Auto repair shop Charge - $36
Replaced Parts - $8
Number of Hours - h
Formula to find the total cost
(Auto Repair Shop Charge + Replaced Parts) x Number of Hours
= (36 + 8) x h
= 44 x h
= 44h
Step-by-step explanation:
(a+bi)2
=a2 +2abi +b2i2
=a2 +2abi + b2. (-1)
=a2 -b2 +2abi
Answer = (a+b(a-b) +2abi
Answer:
Step-by-step explanation:
399*42%= 167.58 the mark up amount
399+167.50=566.50 total
Answer :the 1st and 3rd are true
Step-by-step explanation:
you do the math how their set up so just right those and you can get your answer that way. (if your adding a positive and negative your basically subtracting so just write in the order their in; if you subtracting a negative from a positive it equals a positive; if your subtracting a negative from a negative or the answer is positive; if your subtracting a positive from a negative its negative) i hope this helps if u have any more questions just message me and i will be happy to help you anytime!!! <3