Find an equation of variation in which y varies inversely as x and the following is true.y = 5.25, when x = 0.4
A. y = 
x
B. y = 
C. y = 
x
D. y = 
Answer: B
Mathematics
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Evaluate the expression for the given values.a2 - b2, if a = 8 and b = 3
A. 10 B. 55 C. 73 D. -55
Mathematics
Solve the problem.The function A = Aoe-0.0077x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 500 pounds of the material are placed in the vault, how much time will need to pass for only 270 pounds to remain?
A. 160 years B. 85 years C. 90 years D. 80 years
Mathematics
Perform the row operation(s) on the given augmented matrix.R2 = -5r1 + r2 
A. 
B. 
C. 
D. 
Mathematics
Use a truth table to determine if the statements 
and 
are logically equivalent.
What will be an ideal response?
Mathematics