As part of a marketing plan, some businesses mark up their prices before they advertise a sales event. Some companies use this practice to entice customers into the store without sacrificing their profits. An electronics store wants to host a sales event prior to the big game. How much profit will the store make on the sale of a flat screen TV that is marked up by 30% and then sold at a 20% discount if the original price of the TV is $1500?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

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

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?