PLEASE HELP Work out the perimeter of this semicircle. Take a to be 3.142 and write down all of the digits given by your calculator. π 11 cm

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Find the maximum value of p= 4x + 5y subject to the following constraints :