Which expression is the simplest form of – (3x3 + x2) +2 (x3 – 4x2)? A. 5x3 – 7x2
B. -x3 - 3x2
C. 5x3 – 8x2
D. -x3– 9.x2

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days