Fernando has 16 1/4 feet of yarn to make scarves , if he wants to make 5 scarves that are the same length , how long should each scarf be?

What are the exclude value of mn+3m

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?