Aquantity a varies directly as a quantity b, if, when b changes, a changes in the same ratio. what happens to the quantity a if the quantity b doubles in value?

Whose conclusion is correct? choose all that apply. (two max) elijah emily edward esme

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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?