Let , . Find the rule for the function

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What will be an ideal response?

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Mathematics

Provide an appropriate response.The pitch of a roof is given as a single digit, such as 8 pitch. This actually means a rise of 8 feet for every 12 feet of horizontal run. A roofing contractor told his workers that an 8 pitch is a roof with an angle of 60° from the horizontal. What is the true angle of a roof with a pitch of 8? Round to the nearest 0.1°.

Fill in the blank(s) with the appropriate word(s).

Determine if the matrix is in row-echelon form.

A. No B. Yes

Solve the problem.In a chemistry class, 7 liters of a 4%-saline solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?

A. 3.5 L B. 7.0 L C. 2.5 L D. 4.5 L

Find the difference.-14.9 - (-13.5)

A. 1.4 B. -1.4 C. 28.4 D. -28.4