The cost of a school banquet is $195 for each person. what is the cost for 77 people?

In the diagram below, abc is congruent to dec what is the value of x

Simplify the algebraic expression 8y-2(y+4)

Robert has 78 tomato lants and 56 cucumber plants .he wants to plant them in rows that only have one type of plant in each row with the same number of plants in each row. how many plants should he put in each row and how many rows of each type of plant will he need