Write the ratio in fraction notation. Express the fraction in simplest form.70 yards to 200 yards

A. 10
B.
C.
D.  


Answer: D

Mathematics

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Solve the system. x + y + z = 5 x - y + 2z = -34x + 4y + 4z = -7

A. {(5, -4, 4)} B. {(5, 4, -4)} C. ? D. {(-4, 4, 5)}

Mathematics

Solve the problem.The population growth of an animal species is described by F(t) = 200 + 30 log3 (2t + 1), where t is measured in months. Find the population of this species in an area 4 month(s) after the species is introduced.

A. 140 B. 470 C. 255 D. 260

Mathematics

Provide an appropriate response.A student tried to clear the fractions in +  = 9 +  = 5by multiplying both fractions by zero. Is this an acceptable approach?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Find all solutions of the equation. Express the solution in radians.cos x = 

A.  + 2n? or  + 2n?
B.  + 2n? or  + 2n?
C.  + 2n? or  + 2n?
D.  + 2n? or  + 2n?

Mathematics