PLEASE HELP I DON'T UNDERSTAND THIS AND THIS IS DUE IN 5 MINUTES!!! On the coordinate plane shown, each grid unit represents 10 feet. Polygon QRST has vertices Q(10, 20), R(−10, 20), S(−10, −10), and T(10, −10), and represents the floor plan of a room. Find the perimeter and area of the room. The perimeter of the room is _ feet. The area of the room is _ square feet.

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

When only separate discreet points are graphed it is called?

The customer price index(cpi), which measures the cost of a typical package of customer goods, was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely. use data points to find such a line and then estimate the requested quantities