Simplify. Assume that all radicands are nonnegative.(1 - 
) (1 + 
)
A. 1 + 2 
- tan ?
B. 
+ 1
C. cos ? 
D. 1 - tan ?
Answer: D
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If the number is negative, write it with a raised negative sign; if the number is positive, write it in two ways.The temperature outside is 62 degrees Fahrenheit.
A. 
degrees
B. 
degrees or 62 degrees
C. 
degrees
D. 62 degrees
Consider the sets X and Y. Write the statement in symbols.
?
The complement of the union of X and Y.
?
Enter 
to represent 
.
What will be an ideal response?
Find the solutions of the following systems of equations, if they exist.(a) 
(b) 
(c) 
(d) 
What will be an ideal response?
Solve the problem.If an object is dropped, the distance it falls is given by d = 
gt2, where g is about 32 ft/sec2. Find the distance an object would fall in 4 seconds.
A. 256 ft B. 512 ft C. 128 ft D. 64 ft