What is the circumference of a circle with a radius of 86 inches? use 3.14 for PI

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

What is a graph with a never ending line called?

Triangle knm is what is true about the sides of knm