Convert 2/7 into a fraction with a denominator of 28. 2/28 8/28 4/28 6/28

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?