Six people are standing in line for concert tickets. their average age is 27. the average age of the first four people in line is 23. the average age of the 3 people is 34. how old is the fourth person in line.

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.