Determinați numerele prime a , b si c care verifica relațiile :

a) 3a+b+6c=51
b)a+10b+6c=62
c)a+2b+4c=50

Factor the expression using gcf 9b+45

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?

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