Help me please :)

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Which equation matches the graph shown ?

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?