Solve the problem.Find an equation of the form 
that describes the outline of a satellite dish such that the bottom of the dish passes through (0, 0), the diameter of the dish is 24 inches, and the depth of the dish is 7 inches
A. y = 
x2
B. y = 
x2
C. y = 
x2
D. y = 
x2
Answer: C
Mathematics
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Calculate the area of the surface S.S is the lower portion of the sphere x2 + y2 + z2 = 16 cut by the cone z = 
.
A. 8
?
B. 16
?
C. 16
D. 32
?
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
3
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. y + 1 B. simplest form C. -1 D. 1
Mathematics