Answer:
B or C
Step-by-step explanation:
Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or events. ... This system reduces all physical measurements to a mathematical combination of seven base units. The science of measurement is pursued in the field of metrology.
-9 + 6 + (-7) +3=
-9 +6 = -3
-3 + (-7)= -10
-10 +3= -7
Step-by-step explanation:
The question is not properly structured but we can as well find the sum of 5/7 and 10 as shown;
Hence the expression written in equivalent form of common denominator is 
The sum is 
Answer: 4(−a+1)(a−1)
Step-by-step explanation:
Hey there!
Another name for "reciprocal" is inverse
1/8 reciprocal is 8/1
Answer: 8/1
Good luck on your assignment and enjoy your day!
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