What is a number greater than 40 who's prime factorization contains three prime numbers that do not repeat

I’m which figure is point g an orthocenter

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?