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Fill in the blanks below.(a) Latoya's test score average Increased by 8 points this semester.Write a signed number to represent this change in average.х(b) Isabel lost 70 dollars from her pocket.Write a signed number to represent this change.

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QUESTION A

Let's assume Latoya's test score average this semester is equal to A

And that of previous semesters is

[tex]A_0[/tex]

Hence, the required expression is

[tex]A-A_0=8[/tex]

QUESTION B

Let's assume the total money she had in her pocket is x,

Let's assume the remaining amount with her is y

Therefore, the required expression is

[tex]x-y=70[/tex]

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