Use the echelon method to solve the system of two equations in two unknowns.2x + 6y = 410x + 30y = 20
A. 
B. 
C. 
D. No solution
Answer: B
Mathematics
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Convert the base 10 numeral to a numeral in the base indicated.2874 to base 5
A. 424245 B. 424445 C. 424225 D. 422225
Mathematics
Find the exact value of the expression.
A. 
B. 
C. 
D. 2
Mathematics
Use a graphing utility as an aid in factoring to solve the equation.22x2 + 129x + 44 = 0
A. x = - 11, x = - 
B. x = 
, x = - 4
C. x = - 
, x = - 
D. x = 
, x = 
Mathematics
For the pair of supply and demand equations
?
and 
?
where x represents the quantity demanded in units of a thousand and p the unit price in dollars, find the equilibrium quantity and the equilibrium price.
?
A. x = 4.50, p = $55.50
B. x = 9.50, p = $210.50
C. x = 9.50, p = $150.50
D. x = 7.00, p = $103.00
E. x = 2.50, p = $77.50
Mathematics