Multiply the conjugates.(
- 
)(
+ 
)
A. 13 - 2
B. 13
C. 9
D. 13 + 2
Answer: C
Mathematics
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Solve the problem.A bead is formed from a sphere of radius 4 by drilling through a diameter of the sphere with a drill bit of radius 1. Find the volume of the bead.
A. 27?
B. 
?
C. 54?
D. 
?
Mathematics
Find the square root.- 
A. Not a real number B. -0.5 C. 0.5 D. -0.05
Mathematics
Convert as indicated.The field behind one of the dormitories at State College contains approximately 400 square yards of grass. Convert this to square feet.
A. 133
sq ft
B. 44
sq ft
C. 1200 sq ft
D. 3600 sq ft
Mathematics
Simplify the expression. Include absolute value bars where necessary.
A. -2x - 6
B. 
C. -8x - 3
D. -2x + 6
Mathematics