Answer: 16m^4−25
Step-by-step explanation:
(4m^2−5)(4m^2+5)
=(4m^2+−5)(4m^2+5)
=(4m^2)(4m^2)+(4m^2)(5)+(−5)(4m^2)+(−5)(5)
=16m^4+20m^2−20m^2−25
=16m^4−25
The answer to this is 38300 hope this helped
The second one should be the answer
It isn't proportional because 3/4 is proportional to 9/16 not 9/15.
Answer:
90 degrees
Step-by-step explanation:
if The protractor were on the line I’d be able to see if it’s accurately 90
