. Gabe wants to buy Sally an expensive necklace to show his true feelings for her. He is going to use his credit card. Today is the first day of the new, 28-day billing cycle. Gabe's current balance on his credit card is $3,260 and the APR is 21%. The necklace costs $1,800 and it is the only thing Gabe is going to charge to his card this month. How much in finance charge can Gabe save by charging the necklace on the last day of the cycle versus the first day of the billing cycle? Billing

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

Consider the function f(x)=-5x+3 what is f(-2)

How do i put 3(x+7) in distributive property