The weight of 100 identical samples of a substance is 0.01 pound. what is the weight of 10,000 samples?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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?

If a is a nonzero real number then the reciprocal of a is