1. La diferencia entre 304,802 y 212,810

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?

Write the rational number in lowest terms 99/-15

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.