Answer:
A. 0 = (-x) + x
Step-by-step explanation:
Adding opposites results in zero.
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<em>Comment on the other answer choice</em>
Of course, x + x = 2x. This will only be zero if x is zero.
Answer: 90cm^3
Explanation: The volume formula of a rectangular prism is V=lwh
So, if we put the correct length, width and height into the formula, it would be V=9/2*8*5/2
That equals 90, so the volume is 90cm^3.
Answer:
A=60 C
Step-by-step explanation:
Answer:
Marcus invited 40 and Laticia invited 28
Step-by-step explanation:
x+y=68 x+40=68
x=y-12 -40 -40
y-12+y=68 x=28
2y-12=68
+12 +12
2y=80
2 2
y=40
The answer to this question is 64m