Solve using the addition and multiplication principles together.6n - 9 = 21
A. 12
B. 24
C. 28
D. 5
Answer: D
Mathematics
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Write in logarithmic form.97x = y
A. logy 7x = 9 B. log9 7x = y C. log9 y = 7x D. logy 9 = 7x
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Graph the system of inequalities. Shade the region that represents the solution set.x2 + y ? 1x2 - y ? 2
A. 
B. 
C. 
D. 
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You are on a shopping trip. The store will round the amount you pay for each item to the nearest cent. Find the amount you will pay.Laundry detergent is 2 bottles for $3.69, so one bottle is $1.8450. You pay:
A. $1.85 B. $1.84 C. $1.86 D. $1.95
Mathematics
Classify as true or false.GCD(a, a) = a
A. False B. True
Mathematics