Use ideal to solve the following problems (worth 50 points)
15. a standard piece of paper is 8 1/2 in. by 11 in. what is the diagonal length of the piece of paper? give the answer rounded to the nearest tenth.
16. garrett's dad is making him pour a concrete slab for a shed. the pad is a rectangle that has dimensions of 9 1/2 ft by 15 ft. he wants to measure diagonally to make sure the frame is a rectangle. what should the diagonal length of the frames be?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

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

Can someone pls ! pls answer all. no explanation needed..