Provide an appropriate response.The cost of a 4 × 4 × 8-cedar fence post went from $4.82 to $5.17. What was the rate of increase?
A. 6.8%
B. 7.3%
C. 107.3%
D. 93.2%
Answer: B
Mathematics
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Write the standard form of the equation of the circle with radius r and center (h, k).r = 4; (h, k) = (0, 9)
A. x2 + (y + 9)2 = 4 B. (x - 9)2 + y2 = 16 C. (x + 9)2 + y2 = 16 D. x2 + (y - 9)2 = 16
Mathematics
Solve.A tank is in the shape of a cylinder 4 feet tall and 8 feet in radius. Find the exact surface area of the tank.
A. 96? sq ft B. 192? sq ft C. 24? sq ft D. 256? sq ft
Mathematics
Solve the problem.The sales of a mature product (one which has passed its peak) are given by the function 
where t is time in years. Find the sales after 5 years if 
and 
A. 57,393 B. 21,114 C. 25,788 D. 12,894
Mathematics
Write an expression for the perimeter in simplest form.
A. 2x + 8 B. 8x + 32 C. 4x + 16 D. x2 + 8x
Mathematics