Find the sum or difference. Write the answer in lowest terms.
- 
A. - 
B. - 
C. - 
D. 6
Answer: C
Mathematics
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Solve the equation.a - 2 = 10
A. -8 B. 8 C. 12 D. -12
Mathematics
Solve the problem.The sum of 7 and four times a number is 23. Find the number.
A. 8 B. 7 C. 3 D. 4
Mathematics
Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 11 minutes, the bell is at a depth of 600 feet. After 55 minutes the bell is at a depth of 1500 feet. What is the average rate of lowering per minute? Round your answer to the nearest tenth.
A. 0.05 ft per min B. 27.3 ft per min C. 16.4 ft per min D. 20.5 ft per min
Mathematics
Solve. Check for extraneous solutions.(x - 5)1/2 = -3
A. {14} B. {4} C. {2} D. ?
Mathematics