Referring to the figure below and D is the midpoint of BC . If BC=10 cm, What is the value of AD in cm?

The maximum recommended pulse rate R, when exercising , for a person who is x years of age is given by the equ...

For what value of x between -4 and 4, inclusive , is the value of x2 -10x + 16 the greatest?

A rope 2-.6 meters long cut is into two pieces .If the length of one piece of rope is 2.8 meters shorter than...

If positive integers x and y are not both odd, which of the following must be even?

Salem earns Tk. 8.50 per hour on days other than Sundays and twice that rate on Sundays . Last week he worked...

If 9t-8) is a factor t2 -kt -48 , then k =?