Find each person’s age
One person's age is three times that of another. If the sum of their ages is 64 , find each person's age?
What is the domain?
The function y = 45x + 6 can be used to determine the cost for a person to purchase x tickets to a concert. A person can purchase up to 8 tickets. What is an appropriate domain for the function?
Evaluate the function
Given f(x) = x³ + x² − x, what is f(4)?
What is the P(1,3,2,5) on 4 rolls of a die?
What are their ages?
The sum of Rachel and Mary is 20. Mary is 4 years younger than Rachel. What are their ages?
At a football stadium, 4% of the fans in attendance were teenagers. If there were 170 teenagers at the football stadium, what was the total number of people at the stadium?
Find the present age of each
Jonathan is now three times as old as his son is. Twelve years ago, he was six times as old as his son was. Find the present age of each.