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).
33.7°
Mathematics
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Perform the desired operation. Write the answer in the form a + bi.(7 - 3i)2
A. 49 - 42i + 9i2 B. 58 - 42i C. 40 - 42i D. 40
Mathematics
Write the decimal as a fraction or mixed number in lowest terms.15.45
A. 15
B. 1545
C. 1
D. 154
Mathematics
Find the number of subsets of the set.{x | x is a day of the week}
A. 128 B. 127 C. 256 D. 124
Mathematics
Multiply and simplify. Assume that all variables represent nonnegative numbers.
?
A. 
B. x8y6
C. x4y3
D. x4
Mathematics