Solve the system of equations by elimination.4x + 42y = 428x - 6y = -6
A. (1, 0)
B. (0, 1)
C. (1, 1)
D. (0, 0)
Answer: B
Mathematics
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Simplify. Assume all variables and radicands represent nonnegative real numbers.
A. 3x
B. 3xy
C. 3xy2 
D. 3x2 
Mathematics
Solve the nonlinear inequality.49x2 + 4y2 > 196
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Mathematics
Determine whether the equation in one variable is linear.51.0x = 5.4
A. linear B. not linear
Mathematics