#4 write the fraction below as a
percent. round your percent to the
nearest tenth if necessary. 7/8

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Which one is true about the hexagons ?

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