Is this a valid argument?

Suppose n is a real number. If n > 1, n^2 > 1. Suppose n^2 > 1, then n > 1

chad earns $234 for 36 hoursof work. Geo earns $288 for 40 hours of work. Are the pay rates of these two people proportional?

An initial population of 895 quail increases at an annual rate of 7%. Write an exponential function to model the quail population.

10x^2-3x-1 axis of symmetry

Approximately 33,300 citizens of a country died in automobile accidents in 2015. Express this toll in deaths per day.

Carter needs to wrap 7 presents outfit and says if I make 6 equal safe pieces I'll have just enough pieces I can use one piece for each package and I won't have anything left over does he have enough pieces to wrap. All the present

An amusement park line is moving about 4 feet every 15 minutes. at this rate, approximately how long will it take for a person at the back of the 50 - foot line to reach the front of the line?

Do this multiplication: 80 x 2?

What is the answer to 18-1/2-1/3

Marty buys 12 ounces of granola. What fraction of a pound did Marty buy? If a whole pound costs $4, how much did Marty pay?

Write a unit rate that compares the quantities. 18 carrots in 6 bunches