Find the least common multiple.28, 35

A. 63
B. 35
C. 140
D. 980

Answer: C

Mathematics

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Solve.Find the area of a rectangle that measures 9 inches by 5 feet. Give the area in square inches and in square feet.

A. 540 sq in.; 2 sq ft
B. 540 sq in.; 3 sq ft
C. 336 sq in.; 2 sq ft
D. 3 sq in.; 540 sq ft

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Mathematics

Simplify the expression. Write the result using positive exponents only.

A. x13
B.
C. x4
D. x20

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Mathematics

Determine the viewing window used. 

A.

B.

C.

D.

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Mathematics

Solve the equation for exact solutions over the interval [0, 2?).tan x + sec x = 1

A. ?
B. {0}
C.
D.

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Mathematics