Which property of equality was used to solve this equation? -5x=4
-5x/-5=4/-5
X=-4/5
A. addition property of equality
B.
subtraction property of equality
C. multiplication property of equality
D.
division property of equality

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.