If i send a chain email to 10 people and it remains unbroken how many people will have it by day 7

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Tim tradesman pays $2,000 annually for $125,000 worth of life insurance. what is the cash value of the policy after 10 years? 11,125 13,125 17,800 111,250

The random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.