20 pts
which expressions are equivalent to 6a(5+d)?

select each correct answer.

a) 30a + 6ad

b) (6a ⋅ 5) + (6a ⋅ d)

c) 30a + (6a ⋅ d)

d) 30ad

f) 11a + d

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?