Solve.3x - 4y + 5z = 4 - y + 4z = 4 z = 3
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Add. Write the answer in lowest terms.
A. 29
B. 27
C. 28
D. 8
Mathematics
Evaluate the sum.
A. 0 B. 10 C. 1 D. 11
Mathematics
Solve.A rock falls from a tower that is 400 ft high. As it is falling, its height is given by the function 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 20 sec B. 5 sec C. 25 sec D. 10,000 sec
Mathematics
Solve.The height of a golf ball in feet after t seconds is given by 128t - 16t2. Factor this expression.
A. 16t2(8 - t) B. 16t(8 - t) C. 16(8t - t2) D. 4t(32 - 4t)
Mathematics