Use a positive rational exponent to write the expression.

A.
B. 61/5
C. 51/6
D. -51/6


Answer: C

Mathematics

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Add or subtract as indicated. Express the answer as a single polynomial in standard form.(7x2 + 8x + 10) - (2x2 + 12x + 15)

A. 5x2 - 4x - 5 B. 5x2 + 10x + 25 C. 5x2 - 4x + 5 D. 5x2 - 4x + 25

Mathematics

Use the properties of logarithms to find the value of the expression.Let logb A = 3.098 and logb B = 0.234. Find logb .

A. 3.332 B. 0.725 C. 3.098 D. 2.864

Mathematics

Solve the problem. Round to the nearest tenth when necessary.The roof of a building is in the shape of the hyperbola  where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.A = 3 m

A. 47 m B. 2.4 m C. 5.9 m D. 6.9 m

Mathematics

Add or subtract. Simplify radicals where necessary. - 

A. -5
B. -5
C. -15
D. 9

Mathematics