(a−2b)3 when a=−2 and b=−1/2

Given :-

To find :-

Solution :-

Substitute the values ,

(a-2b)3=3a-6b

=3x-2-6x-1/2

= -6+3

= -3

Step-by-step explanation:

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square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72