The street the street in sachi's city are arranged 10 square blocks sachi's left her house and walk 5 blocks east 2 blocks north to jims house she and jim walk one block north 3 blocks west and 1 block north of school after school sachi walk two blocks west and two blocks south to bella's house how far from bella's house is sachi's house

Which of the following statement about pascal's triangle are true?

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

Given abcd ac=38 and ae=3x+4 find the value of x