Solve for x and graph the results.6x + 7 ? 55 or x + 7 < 0
A. 
B. 
no solution
C. 
D. 
Answer: D
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Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.3431/3
A. - 
B. -7
C. 
D. 7
Indicate whether the statement is true always, sometimes, or never.A complex number is an imaginary number.
A. Always B. Sometimes C. Never
Solve the problem.To convert a temperature F given in degrees Fahrenheit to an equivalent temperature C in degrees Celsius, use the formula C = 
. Find the Celsius temperature that is equivalent to 14°F.
A. 57°C B. 26°C C. -24°C D. -10°C
Answer the question.The code for some garage door openers consists of 12 electrical switches that can be set to "+" , "0" , or "-" by the owner. With this type of opener, how many different codes are possible?
A. 531,193 B. 531,441 C. 532,701 D. 530,241