Solve the system. If there is no solution or if the system's equations are dependent, so state.
A. infinitely many solutions; dependent equations
B. {(3, 5, 44)}
C. {(5, 3, 28)}
D. no solution or ?
Answer: A
Mathematics
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A system of two linear equations in two unknowns can be solved graphically.
Answer the following statement true (T) or false (F)
Mathematics
Find the least common multiple (LCM) of the list of numbers.10, 8
A. 160 B. 80 C. 40 D. 2
Mathematics
Compute the result.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem. If the base of the log is not specified, assume that it is 10.The hydrogen potential, pH, of a substance is defined by 
where [H+] is measured in moles per liter. Find the pH of a sample of lake water whose [H+] is 3.05 x 10-9 moles per liter. Round answer to the nearest tenth, if necessary.
A. 7.3 B. 8.5 C. 10.1 D. 6.4
Mathematics