1. What is the probability that a randomly selected male dies before age 72?
a)0.6915
b)0.1587
c)0.8413
d)0.3085

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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