Type a coffee costs bill 4.30 per pound, and type b coffee costs 5.70 per pound. this month, bill made 168 pounds of the blend, for a total cost of 855.40 . how many pounds of type b coffee did he use?

Can you draw an isosceles triangle with only one 80 degree angle?

Which matrix multiplication is possible?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?