Provide an appropriate response.If x2 + xy + yz + z2 = 6, then 
=
A. - 
B. - 
C. - 
D. - 
E. - 
Answer: E
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Provide an appropriate response.
is commonly used as an approximation to ?. Write 
as a repeating decimal and compare it ?.
What will be an ideal response?
Write an algebraic expression for the specified quantity.A merchant has light roast coffee worth $6.50 a pound that she wishes to mix with dark roast coffee worth $9.99 a pound. Let x = the number of pounds of dark roast coffee in a 50-pound mixture of light roast coffee and dark roast coffee. Write an algebraic expression in x for (i) the number of pounds of light roast coffee in the 50-pound mixture; (ii) the value of the dark roast coffee in the 50-pound mixture; (iii) the value of the light roast coffee in the 50-pound mixture.
A. (i) 50 + x (ii) $9.99(50 + x) (iii) $6.50x B. (i) 50 + x (ii) $9.99x (iii) $6.50(50 + x) C. (i) 50 - x (ii) $9.99(50 - x) (iii) $6.50x D. (i) 50 - x (ii) $9.99x (iii) $6.50(50 - x)
Solve the problem.A town has a population of 30,000 people and is increasing by 10% every year. What will the population be at the end of 4 years?
A. 42,000 people B. 39,930 people C. 13,923 people D. 43,923 people
If the sequence is geometric, find the common ratio. If the sequence is not geometric, say so.
, 
, 
, 
, 
A. 
B. 
C. 40
D. 4