Four runners formed a relay team at jan's high school. the team at the relay in 3.86 minutes. each runner ran exactly the same time. what was each runners time?

Which statement best describes the polynomial

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

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?