Solve the equation and state the solution set.
+ 3 = 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Factor completely.x2 + 3xy - 10y2
A. (x - y)(x + 2y) B. (x + 5y)(x - 2y) C. (x - 5y)(x + y) D. (x - 5y)(x + 2y)
Mathematics
Provide an appropriate response.If the graphs of a system of two equations are a circle and a parabola, what are the possible numbers of solutions (with real coordinates) of this system?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what is the unit cost for 40 units? Round your answer to the nearest hundredth, if necessary.
A. $10.00 B. $0.75 C. $-5.00 D. $15.00
Mathematics
Find the exact value of the composition.sec-1 
A.
B. -
C. 
D. 
Mathematics