Perform the calculation of the following numbers 30·10

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?

What’s 8y+48 and factor each expression completely

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?