Multiply. Use the FOIL method. (2a – 6) (2a + 6)
D) 4a² - 36
Mathematics
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Convert the mixed number into an improper fraction.-15
A. - 31
B. - 10
C. - 240
D. - 
Mathematics
Find the mean. Round to the nearest tenth unless otherwise stated.Average number of defects: 8.0, 8.2, 8.8, 7.5, 8.3, 8.0, 8.7, 8.8, 7.1, 8.0, 7.5, 7.7, 7.5, 8.2, 8.2, 6.9, 8.3, 8.7
A. 8.3 B. 7.6 C. 8.0 D. 8.5
Mathematics
Provide an appropriate response.Which of the following are reduced matrices?A = 
B = 
C = 
D = 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.How many 3-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 if the first digit cannot be 0? Repeated digits are allowed.
A. 810 B. 729 C. 900 D. 504
Mathematics