Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x + 6y)(x - 6y)

A. x2 - 12y2
B. x2 - 36y2
C. x2 - 12xy - 36y2
D. x2 + 12xy - 36y2


Answer: B

Mathematics

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Use the division algorithm in the integers to compute the quotient and remainder of the division problem.-45 ÷ 6

A. -7 R -3 B. -7 R 3 C. 7 R -3 D. 7 R 3

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Use the given vectors to find the indicated expression.v = 4i - 3j + 3k,  w = 5i - 4j - 4k,  u = -2i - 3j - 3kFind u ? (v × w).

A. 138 B. -102 C. -138 D. -84

Mathematics

Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 12 minutes, the bell is at a depth of 400 ft. After 45 minutes the bell is at a depth of 1700 ft. What is the average rate of lowering per minute?

A. 37.8 ft per minute B. 28.9 ft per minute C. 39.4 ft per minute D. 0.03 ft per minute

Mathematics

Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.A sphere with radius 0.9 ft

A. 24.4 ft3 B. 3.1 ft3  C. 3.4 ft3  D. 1.7 ft3 

Mathematics