Solve using the elimination method.-x + 5y = -392x - 5y = 43
A. (5, 4)
B. (-4, -8)
C. No solution
D. (4, -7)
Answer: D
Mathematics
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Find the sum or difference.0.06 + (-6.971)
A. -7.031 B. -6.911 C. 0.418 D. -6.931
Mathematics
Factor when possible. If the polynomial is prime, say so.m2 + mn - 20n2
A. (m + 5n)(m + 4n) B. (m + 5n)(m - 4n) C. (m - 5n)(m + 4n) D. (m - 5n)(m - 4n)
Mathematics
Find an equation for the ellipse described. Graph the equation.Foci at (-2, 1) and (4, 1); length of major axis is 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find the perimeter of the triangle.an equilateral triangle whose side measures 8 ft
A. 23 ft B. 16 ft C. 24 ft D. 32 ft
Mathematics