Simplify the expression:
a. -4
b. -1
c. 23
d. -25
b. -1
The expression simplifies to -1.
Mathematics
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Graph the parabola.x2 = -4y
A. 
B. 
C. 
D. 
Mathematics
Use the change-of-base formula to find the logarithm. Round your answer to four decimal places. log1/25
A. 1.0000 B. -0.4307 C. 0.3979 D. -2.3219
Mathematics
Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of 
in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Mathematics
Determine the value of the limit.
f(x), where f(x) = 
A. 4
B. -1
C. 
D. 5
Mathematics