127 is a number, write it as a sum of 100s 10s and 1s

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?

Acircle has a circumference of 28.36 units what is the diameter of the circle

What is x3+3x2−16x−48 divided by x−1?