Simplify the radical. Assume that all variables represent nonnegative real numbers.  , n ? 0

A.
B.
C.
D.


Answer: A

Mathematics

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Solve.On a map, the length of a nature-center trail is 8.5 cm. If the scale is 3 cm to 43 km, what is the actual length of the trail? Round your answer to the nearest tenth, if necessary.

A. 121.8 km B. 243.6 km C. 125.8 km D. 122.8 km

Mathematics

Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 - 7x

A. x2 - 7x +  = 2
B. x2 - 7x -  = 2
C. x2 - 7x +  = 2
D. x2 - 7x + 49 = (x - 7)2

Mathematics

Solve the equation symbolically.y + 8 = -1.8

A. 6.2 B. -9.8 C. 9.8 D. -6.2

Mathematics

Classify the system as consistent or inconsistent, and dependent or independent. x + 4y = 132x + 8y = 26

A. Consistent and dependent B. Consistent and independent C. Inconsistent and dependent D. Inconsistent and independent

Mathematics