A polygon is regular if each of its sides has the same length. Find the perimeter of the regular polygon. One side is 5-2x
The other one is -4x + 9
One side is blank
It's a triangle

Which function has the same domain as y=2x

For each proportion find the unknown number x 1/5/8=×/15

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?