Solve the given applied problem.A rectangle has area A m2 with A = w(9 - w), where w is the width of the rectangle and the perimeter is 18m. Sketch the graph of A as a function of w.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the coordinates of the centroid of the given figure. Each region is covered by a thin, flat plate.The region enclosed by the parabolas y = - x2 + 32 and y = x2
A. (0, 32)
B. 
C. (16, 0)
D. (0, 16)
Mathematics
Add.4074 + 598 + 38 + 8608
A. 13,208 B. 13,318 C. 12,308 D. 12,218
Mathematics
Solve the problem.The rectangle in the following figure has a perimeter of 104 inches. If the length measures (x + 6) inches and the width measures x inches, find x.
A. 23 in. B. 667 in. C. 24 in. D. 52 in.
Mathematics
Round the number as indicated.545 to the nearest ten
A. 540 B. 650 C. 560 D. 550
Mathematics