Solve the system of equations.
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
The solution(s) is(are) _.
(Simplify your answer. Type an ordered pair. Use a comma to separate answers as needed.)

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?