The population of a town in the year 2000 was 400. If the population in the town decreased 25% in 2010, what is the new population?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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?