A right-angled triangle has sides of length (p - 2), (P + 1) and (p+4). Using Pythagoras' theorem, find the value of p and hence the lengths of all three sides.

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?