Lesson 7.3 simplifying algebraic expressions peggy bought 2 racing cars for 5x dollars each and 3 model motorcycles for 3x dollars each. find the amount of money peggy paid in terms of x.

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