Stating property, ?
justify each step of the solution by stating the property that was used to get to each step.
given: 4.5(8-x)+36=102-2.5(3x+24)
step 1: 36-4.5x+36=102-7.5x-60
step 2: 72-4.5x=42-7.5x
step 3: 72+3x=42
step 4: 3x=-30
step 5: x=-10

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

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?