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Solve the equation

8 + 7 x 9 - 2 = for fifth graders

What medium is most effective for a school play advertisement? A. a flyer posted around school B. an ad in the newspaper C. an ad on the Internet D. an ad on television

What is the modern Jatomic theory?

You blow across the open mouth of an empty test tube and produce the fundamental standing wave of the air column inside the test tube. The speed of sound in air is 344 m/s and the test tube acts as a stopped pipe.

Why do the pvc plastic wells used in this weeks elisa need to be sticky on the inner walls and how may your results change if a different non-adherent plastic was used instead?

II) Choose the correct answer: 1) Two particles, X and Y, are 4m apart. X has a charge of 2Q and Y has a charge of Q. The force of X on Y: A. has twice the magnitude of the force of Y on X B. has half the magnitude of the force of Y on X C.

A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 40 m/s. The arriving plane has a length of 40 m.

How much time does it take for a car travelling at 5m/s in 21 metres

Finley is trying to transmit a sound wave that will travel continuously, but he is frustrated by the excess noise. What kind of signal is Finley sending?

The isotope of an atom contains 40 protons and 51 neutrons suddenly has two neutrons added to it. What isotope is created? 1. Antimony-39 2. Zirconium-93 3. Antimony-53 4. Zirconium-53

Choose all that apply. Which are phases of matter? Steam, Plasma, Solid, Liquid, Gas, Water