2x3 + 5x2 + 6x + 15
Which of the following is equivalent to the expression above?

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.

Blank is the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound

Astudent randomly draws a card from a standard deck and checks to see if it's his favorite suite he then returns the cards to the deck