Solve the equation by finding an expression for the determinant on the left, and then solving using the appropriate method.
= -7
A. ?
B. {-7}
C. {6}
D. {1}
Answer: D
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Add and simplify.
+ 
A. 
B. 
C. 
D. 
Solve the problem.The following list of digits was taken from a table of random numbers. We will let them represent 50 tosses of 5 fair coins. If a digit is 0 - 4, it will be an H, and the digit 5 - 9 will be a T. Use this simulation to estimate the probability of getting two heads on a toss of five coins.1872894741320630496354859155927135728152117321717389555755200888295295728953889458070773711019494917643369510390740035776259952052240040384511507452332751033761865636172939087480615941279969113392706727324727232240686253264092997095877709759912916866
A. 
B. 
C. 
D. 
Solve the problem.How many different license plates can be made using 2 letters followed by 4 digits selected from the digits 0 through 9, if digits may be repeated but letters may not be repeated?
A. 9027.77778 B. 3,407,040 C. 6,500,000 D. 6,760,000
Solve the logarithmic equation.ln(4x - 5) = ln 5 - ln(x - 1)
A. 
B. ?
C. 
D. 