Acold wave hit chicago when the temperature was 62f. during the cold wave, the temperature dropped 2 degrees every hour. how many hours was it before the temperature was below 40f?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days

Azul has 4 green picks and no orange picks.you add orange picks so that there are 2 orange picks for every 1 green pick.how many picks are there now.