Question

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8 Answer:

Evaluate the expression (2y)3 when y = 3.
9 Answer:

Evaluate the expression x2 + y when x = 4 and y = 3.
10 Answer:

Evaluate the expression (a + b)3 when a = 3 and b = 5.

Answer 1

`\huge\text{Hey there!}`

`\huge\textsf{Equation \#1.}`

`\mathsf{(2y)^3}\\\mathsf{= (2(3)^3}\\\mathsf{= (6)^3}\\\mathsf{= 6^3}\\\mathsf{= 6*6*6}\\\mathsf{= 36*6}\\\mathsf{= 216}\\\huge\text{Therefore, your answer should be: \boxed{\mathsf{216}}}\huge\checkmark`

`\huge\textsf{Equation \#2.}`

`\mathsf{x^2 + y}\\\mathsf{= 4^2 + 3}\\\mathsf{= 4* 4 + 3}\\\mathsf{= 16 + 3}\\\mathsf{= 19}\\\huge\text{Therefore, your answer should be: \boxed{\mathsf{19}}}}}\huge\checkmark`

`\huge\textsf{Equation \#3.}`

`\mathsf{(a + b)^3}\\\mathsf{= (3 + 5)^3}\\\mathsf{= (8)^3}\\\mathsf{= 8^3}\\\mathsf{= 8* 8 * 8}\\\mathsf{= 64*8}\\\mathsf{= 512}\\\huge\text{Therefore, your answer should be: \boxed{\mathsf{512}}}\huge\checkmark`

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