Six friends visit a museum to see the new holograms exhibit. the group paid for admission to the museum and $12 for parking. the total cost of the visit can be represented by the expression $6x +$12. what expression would represent the cost of the visit for one person?

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827