If 3x-y=12, what is the value of (8^x)/(2^y)? A. 2^12
B. 4^4
C. 8^2
D. The value cannot be determined from the information given.

Deanna just finished high school she wants to work in the health science career cluster but is not interested in moving on to post secondary education which career would deanna best be suited for

Which best describes standard precautions?

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.