Approximate the square root. Round to the nearest tenth, if needed.
A. 26.3
B. 26.5
C. 26.6
D. 26.4
Answer: B
Mathematics
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Simplify the expression.(x + 8)(x - 8)(4x + 2)
A. 4x3 + 2x2 + 256x + 128 B. 4x3 + 66x2 + 288x + 128 C. 4x3 - 62x2 + 224x + 128 D. 4x3 + 2x2 - 256x - 128
Mathematics
Solve the problem.The amount of a radioactive substance present, in grams, at time t in months is given by the formula 
Find the number of grams present in 4 years. If necessary, round to three decimal places.
A. 2140.644 B. 214.064 C. 0.000 D. 0.001
Mathematics
Simplify.(-1)22
A. 22 B. -1 C. -22 D. 1
Mathematics
If x = 
is a root of 
, use synthetic division to factor the polynomial completely and list all real solutions of the equation.
A. 
x = 
, 
, 3
B. 
x = 
, 3
C. ?
x = 
, 3
D. 
x = 
, 3
E. 
x = 
, 3
Mathematics