Solve the problem.V = 
?r3, where r is the radius, in centimeters. By approximately how much does the volume of a sphere increase when the radius is increased from 1.0 cm to 1.2 cm? (Use 3.14 for ?.)
A. 2.7 cm3
B. 0.5 cm3
C. 2.3 cm3
D. 2.5 cm3
Answer: D
Mathematics
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Find the opposite of the number.- 
A. 0
B. 
C. - 
D. 
Mathematics
Write as an equivalent decimal. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.
A. 0.15
B. 0.
C. 0.1
D. 0.
Mathematics
Find three cube roots for the complex number. Leave your answers in trigonometric form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Use the properties of logarithms to write the expression as the logarithm of a single expression.log 7 + log 7(x + 1)
A. 7(x + 1) B. x + 2 C. log 7(x + 2) D. log 7x
Mathematics