1. vladimir hirsch worked these hours last week: monday, 8 hours; tuesday, 7 hours;
wednesday, 5 hours; thursday, 5 hours; and friday, 7 hours. he is paid $16 an hour. a. how
many hours did vladimir work last week? b. what was his gross pay for the week?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

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