Can someone help me with this please?

Is every rectangle is a parallelogram? true false

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?