Solve the system of equations by substitution.2x + 9y = -8 x + 
y = 
A. (5, -2)
B. (-5, 2)
C. ( -5, -2)
D. (5, 2)
Answer: A
Mathematics
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Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Convert the numeral to Egyptian form.4233
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Solve the system of equations using the substitution method:x - 4y = 10-3x + 12y = -15
A. inconsistent; no solution
B. x = 10, y = 0
C. x = 0, y = -2
D. dependent; many solutions
Mathematics
Simplify.7[-7 + 7(-3 + 6)]
A. -28 B. 0 C. -4 D. 98
Mathematics