Evaluate the expression

4 x (52 – 12) – 6
.

What expression is equivalent to (2x-1)(x-3)?

Is it true or false i’m trying to pass this test so i can leave school

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