Solve the variation problem.The time necessary to make an enlargement of a photo negative varies directly as the area of the enlargement. If 126 sec are required to make a 
enlargement, find the time required for a 
enlargement.
A. 256 sec
B. 192 sec
C. 160 sec
D. 224 sec
Answer: B
Mathematics
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Provide an appropriate response.Solve the system of equations using the substitution method:3x + 4y = 172x - 5y = 19
A. (2, -3) B. (7, -1) C. dependent; many solutions D. inconsistent; no solution
Mathematics
The data table has been generated by a linear, quadratic, or cubic function f. All zeros of f are real numbers located in the interval 
By making a line graph of the data, conjecture the degree of f.
A. 1 B. 2 C. 3 D. 4
Mathematics
Graph the equation by hand.y = -2x - 1
A. 
B. 
C. 
D. 
Mathematics
Factor the polynomial completely: 
a. 
b. 
c. 
d. 
Mathematics