How do you do this problem? 3x+1=10

Is the square root of 4 plus the square root of 16 rational?

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

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school