Compute.(12)(-9)

A. -1080
B. -108
C. -208
D. -120


Answer: B

Mathematics

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Find the limit

What will be an ideal response?

Mathematics

Collect like terms.-2x - 6.4y + 9.7x - 2.7y - 7.7x + 9.1y

A. 6.7x - 5.1y B. 6.7x + 5.1y C. -6.7x + 5.1y D. 0

Mathematics

Write the vector in the form ai + bj. 

A. 9i + 2j B. -2i + 9j C. 9i - 2j D. 2i + 9j

Mathematics

Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.2 + 7 + 12 + ... + (5n - 3) = (5n - 1)

What will be an ideal response?

Mathematics