Joe is going to travel to dallas. he lives 360 miles away and can average 60 miles per hour. write a linear model that represents joe's distance from dallas, d(t), traveled as a function of time, t, in hours. a. d(t) = 360 - 60t b. d(t) = 360t + 60 c. d(t) = 60t d. d(t) = 360 + 60t

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax