Julie just turned 13 years old. in 7 years, her age will be double her brother pascal’s age. how old will pascal be on julie’s 18th birthday?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Similarly fie each expression 18,19,20

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