Answer:
hello
Step-by-step explanation:
please provide your textbook because i dont have it
Well look at the resources available, you can study or if you have a study guide, use it and try to get a good night rest and wake up on time and try your best and don’t stress out or you can just wing it and not do nothing and just take the test
560 ft^2
20ft x 10ft = 200 ft^2
+
12ft x 30ft = 360 ft^2
=
560 ft^2
Answer:

Step-by-step explanation:
We know that 

= -4i+6+2
=8-4i
Your fractions are your units and rates.
A "section" is a unit and 2 of 9 sections is a rate.
An hour is a unit and 1 of 10 hours is a rate.
You can multiply the fractions and create a new unit rate that would measure a section per hour.
I hope this helps.