Express the radical in simplified form.
A. 36
B. 8
C. 6
D. 6
Answer: D
Mathematics
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Solve using Cramer's rule.
A. (-3, -2) B. (-2, 3) C. (3, -2) D. (2, -3)
Mathematics
Find the value of 
a. 0
b. –0.7
c. –0.7
d. –0.6
e. 0.16
Mathematics
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 15)(
- 1)
A. 
- 15
B. 0
C. 15
+ 
D. 15
- 
Mathematics
Solve the problem.A rock falls from a tower that is 68.6 m high. As it is falling, its height is given by the formula 
with t in seconds. How many seconds will it take for the rock to hit the ground (h = 0)?
A. 3.7 sec B. 8 sec C. 960.4 sec D. 8.3 sec
Mathematics