John says the perimeter of the rectangle above is P = 2 (L + W) Anna says the perimeter of the rectangle above is P = 2L + 2W 1. Why do you think John used parenthesis in his equation? _

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?