The equation
shows that the density of a particular substance equals a mass of 13 grams divided by the volume of
the substance. What happens to the density as the volume approaches 0?
The density approaches infinity.
The density approaches 0.
The density approaches 1.
The density approaches 13.
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Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.