Solve the problem.A combination lock has 20 numbers on it. How many different 3-digit lock combinations are possible if no digit can be repeated?
A. 6840
B. 380
C. 2280
D. 1140
Answer: A
Mathematics
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Provide an appropriate response. Describe the similarities and differences between a rectangle, a square and a parallelogram.
What will be an ideal response?
Mathematics
Write the equation of the graph in its final position.The graph of y = 2x is translated 6 units to the right and then 2 units upward.
A. y = 2x + 2 + 6 B. y = 2x - 6 + 2 C. y = 2x - 2 + 6 D. y = 2x + 6 + 2
Mathematics
Write the first four terms of the sequence.an = 
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 1, 
, 
, 
D. 
, 
, 
, 
Mathematics
Express the statement as an equation involving the indicated variables.The area A of a rectangle is the product of its length l and its width w.
A. A = l + w
B. A = lw
C. A = 2(l + w)
D. A = 
Mathematics