Answer:
2a
Step-by-step explanation:
-6 and +6 cancel out leaving the 2a by itself.
Answer:
21
Step-by-step explanation:
21
Answer:
you answer is B
Step-by-step explanation:
I am almost 100% sure it is B but correct me if im wrong
Answer:
D.) rational numbers are associative under subtraction
Step-by-step explanation:
rational numbers are closed under subtraction
↳ TRUE
zero is the identity for addition of rational numbers
↳ TRUE
subtraction is the inverse of the addition
↳ TRUE
rational numbers are associative under subtraction
↳ FALSE
Answer:
C) 100 m^2
Step-by-step explanation:
Area of a trapezoid= h*[(b1+b2)/2]
h=10
b1=8
b2=12
Therefore:
A=10*[(8+12)/2]
A=10*(20/2)
A=10*10
A=100
So the area of the trapezoid is 100 m^2
