Solve the problem.Four times a number added to 9 times the number equals 
Find the number.
A. 7.2
B. 5
C. 7
D. 0.6
Answer: B
Mathematics
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Solve the linear equation.-68 - 4(2z - 5) = 2z - 4(5 - z)
A. -3 B. 0 C. -2 D. 2
Mathematics
Express the number -187,000,000 in scientific notation. ?
A. 
B. ?
C. ?
D. ?
Mathematics
Determine the number of subsets of the set.A set of vowels of the English alphabet, assuming y is not considered a vowel
A. 12 B. 24 C. 18 D. 32
Mathematics
Perform the desired operation. Write the answer in the form a + bi.(2 + 6i)(2 - 6i)
A. 4 - 36i B. -32 C. 4 - 36i2 D. 40
Mathematics