When joanne checked her work by substituting the value of the variable back into the equation, she got an answer of 12. 34 = 12. 33. Explain why joanne could have gotten the answer correct even though she did not get a true statement when she checked her work.

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.

Which of the following does the reading test of the sat ask you to do ?

A24-n net force acts on a 8-kg rock. what is the acceleration of the rock?