The radius of a circle is tripled. By what factor is the area changed?
A. 3
B. 6
C. 9
D. 12
C. 9
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Driving eastward just before sunrise, if you observe the Moon in the eastern sky, its phase must be:
A) full moon. B) first quarter. C) waxing Gibbous. D) waning Crescent. E) new moon.
What are 3 dimensions of public health?
What will be an ideal response?
What is the specific 3-step energy generating process in the Sun called?
A. the proton-proton chain B. radiative transfer C. hydrostatic equilibrium D. thermography
Why couldn't Newton determine the value of the gravitational constant?
a. The constant was too large to measure with existing instruments. b. The constant was too small to measure with existing instruments. c. If the gravitational constant were known, the mass of Earth could be calculated. d. Although Newton believed there was a constant, no one has ever discovered one. e. Although the right equipment and techniques for this measurement existed, Newton did not have access to them.