6. frank ordered playoff tickets for himself and three friends.
there is a $7 service fee per ticket and an additional shipping
cost of $12 for the entire ticket order.
a. write an algebraic expression to represent the situation. 1
b. write an algebraic expression to represent the ticket
cost per person.

 for total order (T*7)+12= $40  

               for a single person = 1*7+12= $19

Step-by-step explanation:

T= number of tickets

also equals depending on scenario

T= 4 number of friends and himself

c. side angle side. u shares the same sides

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!