Which three steps are correct when solving this quadratic equation by completing the square x2-10x=39

A) x2-10x-39=0
B) x2-10x+25=39+25
C) (x-5)2=64
D) (x+5)2=64
E) x=-3 or x=13

Which of the following properties can be used to show

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.