Use properties to perform the calculations. Express answer in simplest form.
? 
A. 
B. 
C. - 5
D. 
Answer: D
Mathematics
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Solve the problem.The specific gravity s of a sphere of radius r that sinks to a depth h in water is given by s = 
.Find the depth to which a spherical buoy of radius 4.2 cm sinks if s = 0.50. Round your answer to the nearest hundredth.
A. 15.67 cm B. 4.2 cm C. 11.47 cm D. 3.07 cm
Mathematics
Simplify. Assume that all variables represent positive real numbers.
A. 4q4
B. 4k3q4
C. 4k7q8
D. 4k3q4
Mathematics
Simplify.2c0f-1
A. 0
B. -2f
C. 
D. 
Mathematics
Multiply.8(-3)(-3)
A. -72 B. 72 C. 82 D. -48
Mathematics