Find the special products using patterns.(p - r)(p + r)
A. p2 - 2r2
B. p2 - r2
C. p2 + r2
D. 2p2 - r2
Answer: B
Mathematics
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Provide an appropriate response.What is the major difference between solving quadratic equations and linear equations?
What will be an ideal response?
Mathematics
Solve the problem.A standard deck of cards is made up of four suits with 13 cards in each suit (total of 52 cards). If we randomly sample four cards from a standard poker deck, find the probability that all four cards selected are diamonds.
A. 
B. 
C. 
D. 
Mathematics
Simplify, where possible.2a - 6b + 4c - 2(6a + 8b - 7c)
A. -10a - 14b + 11c B. -10a + 10b - 10c C. -4a + 2b - 3c D. -10a - 22b + 18c
Mathematics
Write the number in scientific notation.57,000,000
A. 5.7 × 107 B. 5.7 × 10-8 C. 5.7 × 10-7 D. 5.7 × 108
Mathematics