Simplify. Write answers without negative exponents. Assume that all variables represent nonzero real numbers.(-2x-1y-3)2
A. 
B. 
C. 4x2y6
D. - 
Answer: B
Mathematics
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Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction when the masses are 6 ft apart?
A. 3 lb B. 1 lb C. 4 lb D. 2 lb
Mathematics
Consider the series
?
.
?
Determine whether the series converges or diverges.
?
If it converges, find its sum.
What will be an ideal response?
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation using the quadratic formula.16w2 - 16w + 7 = 3
A. 
B. 
C. no real solution
D. 
Mathematics