Question

the annual prize giving function of a School lasted 4 hours 25 minutes if the function ended at 1420 hours at what time did it begin ​

Answer 1

Answer:

8:50 Complete the identity x2+(a+b)x+abComplete the identity x2+(a+b)x+abFactors of x2+7xy+12y2 isComplete the identity x2+(a+b)x+ab