Simplify the expression. Assume that all variables are positive when they appear.
A. 41
B. 5
C. 
D. 
Answer: C
Mathematics
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Find an equation for the sphere with the given center and radius.Center (0, 0, 10), radius = 2
A. x2 + y2 + z2 + 20z = -96 B. x2 + y2 + 2 z2 - 20z = -96 C. x2 + y2 + 2 z2 + 20z = -96 D. x2 + y2 + z2 - 20z = -96
Mathematics
Answer the question.How can you tell just by looking at a rational expression, if it is equal to -1?
What will be an ideal response?
Mathematics
Simplify the radical expression. Assume all variables represent positive real numbers.
A. 6
B. 6
C. 6
D. 24
Mathematics
Name the property illustrated by the sentence.2(x + y) = 2x + 2y
A. Associative property of addition B. Commutative property of multiplication C. Multiplicative identity property D. Distributive property
Mathematics