Evaluate the expression 4-(-7)
1 answer:
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Answer:
$9.92 (rounded off to nearest cent)
Step-by-step explanation:
Square of 7-inch radius pizza = = 49 inches
49 Inches = $6
Square of 9-inch radius pizza = = 81 inches
Given 49 Inches = $6
1 inch =$
I will leave it as a fraction as it is not the final answer, rounding it off will result in a loss of accuracy.
81 Inches =
= $9.92 (rounded off to nearest cent)
Step-by-step explanation:
To give you a hand for this question, I will show you how to work out one of the equations
One equation is
We know that when x = -2, y = 6
So we can substitute in -2 and see if we get 6
So this equation is true! Now try the same for the other equations :)