Find the inverse of matrix, if it exists.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Determine whether the given number is approximate or exact.The cost of gasoline is $0.979 per gallon.
A. Exact B. Approximate
Mathematics
Use the Venn diagram below to find the number of elements in the region.
n(C')
A. 39 B. 24 C. 14 D. 29
Mathematics
Write the numbers in the order indicated.1.818, 1.9885, 1.8185, 1.98 in descending order
A. 1.98, 1.818, 1.9885, 1.8185 B. 1.8185, 1.818, 1.98, 1.9885 C. 1.98, 1.8185, 1.818, 1.9885 D. 1.98, 1.9885, 1.8185, 1.818
Mathematics
Solve the equation.7x - (3x + 8) = 8
A. 6 B. 3 C. 5 D. 4
Mathematics