What is the following sum? Assume x greater-than-or-equal-to 0 and y greater-than-or-equal-to 0 StartRoot x squared y cubed EndRoot 2 StartRoot x cubed y Superscript 4 Baseline EndRoot x y StartRoot y EndRoot x squared y squared StartRoot y EndRoot minus 2 x y squared StartRoot x EndRoot 2 x y StartRoot y EndRoot 2 x y squared StartRoot x EndRoot 4 x y StartRoot x Superscript 5 Baseline y Superscript 8 Baseline EndRoot 2 x y StartRoot x y EndRoot

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.

Living organism in our word are connected to other variety of ways

How was the sat? what type of questions for math, writing and reading. did anyone get a near perfect score and if so how long did it take to study. i am very stressed and want to get at least a 1450.