The cost C of a slice of pizza at a certain shop was $1.25 in1990. In 2005 the cost was $3 per slice. Assuming the exponential-growth model applies
(a) Find the exponential-growth rate, and write the equation.
(b) Find the cost of a slice of this pizza in 2020.
(a) 0.05836 ; C 
(b) $7.20
Mathematics
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Round to the place value indicated.4,455 to the nearest thousand
A. 5,000 B. 4,000 C. 3,900 D. 4,100
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Evaluate.
÷ 
A. 
B. 
C. 
D. 
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Simplify.
A. 12 B. not a real number C. 6 D. -6
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Find the center and radius of the circle with the given equation. x2 + y2 = 9
A. Center (0, 0), r = 9 B. Center (3, 3), r = 3 C. Center (3, 3), r = 9 D. Center (0, 0), r = 3
Mathematics