Please¡ can someone explain this? (27 + 15 : 3 + 8·(4 + 3) - 10=
(90 + 30) · 6 - 7 · 3 · 0 - (100 + 25) : 5=
(4 · 3 + 8 : 2) · 5 - (4 - 5) : 3=

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.