Solve. 
+ 1 = 
A. -6, -10
B. 6, 10
C. 6, -10
D. 
, 
Answer: B
Mathematics
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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 2.0 cm to 2.2 cm? (Use 3.14 for ?.)
A. 10.0 cm3 B. 10.2 cm3 C. 9.8 cm3 D. 1.0 cm3
Mathematics
Find the least common denominator.
, 
, 
A. 8(r + 5)2 B. r(r + 5)2 C. 8(r + 5) D. 8r(r + 5)2
Mathematics
Provide an appropriate response.Write the quotient, using positive exponents: 
A. x10 B. x-6 C. x6 D. x4
Mathematics
Solve the triangle.b = 6, c = 11, A = 106°
A. a = 16.8, B = 27°, C = 47° B. a = 19.7, B = 23°, C = 51° C. a = 13.9, B = 25°, C = 49° D. no triangle
Mathematics