What is the probability that billy will roll a 5 or higher?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Abcd is a square. what is the measure of angle bac