Which of the following is an example of how a scientist might use a model? A wrench is used to tighten a nut onto a piece of wood.

A microscope is used to magnify a group of cells on a slide.

The end of a slinky is moved vertically up and down to simulate a wave.

A stopwatch is used to time the rate of a chemical reaction.

Will mark brainliest with 20 points! the table shows how far object 1 traveled as a function of time. *time (seconds) - 2 4 6 8 *distance traveled (feet) - 18 36 54 72 the equation shows how far object 2 traveled in feet as a function of time in minutes. *f(x) = 10x which object traveled at a faster speed? justify your response.

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

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