Joseph would like to make 12 pounds of a coffee blend at a cost of $6. 25 per pound. He blends ground chicory at $4. 40 a pound with jamaican blue mountain at $8. 84 per pound. How much of each type of coffee should he use?.

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.