Multiply the polynomials. Express the answer as a single polynomial in standard form.(x + 12y)(x - 12y)

A. x2 - 24xy - 144y2
B. x2 - 144y2
C. x2 + 24xy - 144y2
D. x2 - 24y2


Answer: B

Mathematics

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Convert the measurement as indicated.158 cm to meters

A. 1580 m B. 1.58 m C. 15.8 m D. 15,800 m

Mathematics

Provide an appropriate response.Consider the equation 5(-3 - x) + x = 14x - 5(3 - x). Now consider the following system of equations solvable by the substitution method: y = 5(-3 - x) + x y = 14x - 5(3 - x).Explain the connections that exist between the single equation and the system of two equations.

What will be an ideal response?

Mathematics

Solve the problem.A brick staircase has a total of 12 steps The bottom step requires 100 bricks. Each successive step requires 4 fewer bricks than the prior one. How many bricks are required to build the staircase?

A. 912 bricks B. 1464 bricks C. 1872 bricks D. 936 bricks

Mathematics

Based on data adapted from the National Center for Health Statistics, the height in inches and age in years for boys between 4 and 16 years of age are related according to

style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_badb5b76a5b5411d976940ddc" />. To account for normal variability among boys, normal height for a given age is  of the height obtained from the equation. Find the inequality which represents the normal height range for a boy who is 5.5 years old. Round your answer to two decimal places.
?

A.
B.
C.
D.
E.

Mathematics