Calculate, if possible.(0)(-3.13)
A. 3.13
B. -3.13
C. -1
D. 0
Answer: D
Mathematics
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Solve the problem.The function A = A0e-0.01386x 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 900 pounds of the material are placed in the vault, how much time will need to pass for only 65 pounds to remain?
A. 380 yr B. 190 yr C. 195 yr D. 200 yr
Mathematics
Simplify.(x2 + 7)2
A. x4 + 7x + 49 B. x4 + 14x2 + 49 C. x4 + 7x2 + 49 D. x4 + 49
Mathematics
Evaluate the expression for the given values of x and y.
+ 
;
x = 2 and y = -5
A. 0 B. -1 C. 1 D. 2
Mathematics
Find u ? v.u = 
, v = 
A. 4 B. 8 C. 0 D. -8
Mathematics