Solve for the unknown in the equation.A - 7 = 7
A. A = 0
B. A = 14
C. A = -14
D. A = 0
Answer: B
Mathematics
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Solve for the indicated variable.y = kx(4 - x) for x
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Find the sum of the arithmetic series using a formula.1 + 3 + 5 + ... + 199
A. 10,000 B. 9801 C. 10,100 D. 10,201
Mathematics
Solve the problem.6 different books are to be arranged on a shelf. How many different arrangements are possible?
A. 360 B. 720 C. 120 D. 6
Mathematics
Find an equation for the ellipse described.Center (0, 0); major axis horizontal with length 10; length of minor axis is 4
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics