Write the number in standard form.The Johnsons have driven their car forty-two thousand, eight hundred five miles in the last few years.

A. 420,805
B. 4,285
C. 42,805 
D. 42,850


Answer: C

Mathematics

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A computer password is made up of five characters. Each character can be a capital letter (A through Z) or a digit (0 through 9).How many passwords consist entirely of letters?

A. 26 × 25 × 24 × 23 × 22 B. 526  C. 265  D. 26 × 5 E. none of these

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Use the multiplication property of equality to solve the equation.-4x = -36

A. -32 B. 32 C. 9 D. 2

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Find the product.(7a + 8c)(7a - 8c)

A. 49a2 - 112ac - 64c2 B. 49a2 - 64c2 C. 7a2 - 8c2 D. 49a2 + 112ac - 64c2

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Write the equation in the form y = mx + b.4y - 6x = 13

A. y = x + 
B. y = - x + 
C. y = x + 
D. y = x - 

Mathematics