Solve by any method: graphing, substitution, or elimination.
A. 
B. no solution
C. 
D. 
Answer: D
Mathematics
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Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the focus and directrix of the parabola.x = 8y2
A. F: 
; D: x = 
B. F: 
; D: x = - 
C. F: 
; D: x = - 
D. F: 
; D: y = - 
Mathematics
Provide an appropriate response.Suppose that A is an m × n matrix and B is a p × q matrix. Under what condition(s) can the product AB be found? Under what condition(s) can the product BA be found?
A. AB can be found if m = p; BA can be found if n = q. B. AB can be found if m = q and n = q; BA can be found under the same conditions. C. AB can be found if q = m; BA can be found if n = p. D. AB can be found if n = p; BA can be found if q = m.
Mathematics
Find an equation for the ellipse described.Foci at (0, ±4); y-intercepts are ±7
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics