Simplify the expression and write the answer without negative exponents.(x-3)-3

A.
B. -x6
C.
D. x9

Answer: D

Mathematics

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Divide, if possible. Write the answer in simplest form.5 ÷ 3

A. 1 
B. 1 
C. 1
D. 2 

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Perform the row operation(s) on the given augmented matrix.R1 =  r1 

A.
B.
C.
D.

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Find the numerical value of the expression for  and 

A. a) 3 b) 1
B. a) 1 b) 
C. a) 1 b) 3
D. a)   b)  

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Solve.A rock falls from a tower that is 107.8 m high. As it is falling, its height is given by the formula  How many seconds will it take for the rock to hit the ground (h=0)? Round to the nearest tenth.

A. 2400 sec B. 10.4 sec C. 22.1 sec D. 4.7 sec

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