Simplify.
+ 
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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The volume of a spherical cancerous tumor is given by 
.
?
If the radius of a tumor is estimated at 1.7 cm, with a maximum error in measurement of 0.003 cm, determine the error that might occur when the volume of the tumor is calculated.
?
A. ±0.003 cm3 B. ±0.009 cm3 C. ±0.036 cm3 D. ±0.185 cm3 E. ±0.109 cm3
Mathematics
Find the property tax. Round to the nearest cent.
A. $625.68 B. $1206.94 C. $12,069.44 D. $6256.80
Mathematics
Identify the row operation that produces the resulting matrix.
? 
A. R1 + R2 ? R2
B. 
R1 + 
R2 ? R2
C. 
R1 + 
R2 ? R1
D. 
R2 ? R1
Mathematics
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 7
+ 3
A. 10
B. 30
C. 21
D. 10
Mathematics