Which expression is equivalent to −1.3+(−4.9)+(−2.6) ?

−(1.3−4.9)+(−2.6)

(1.3+4.9+2.6)

−1.3+(4.9+2.6)

−1.3−(4.9+2.6)

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?