Simplify.

A. 16
B. 28
C. 14
D. 11


Answer: C

Mathematics

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Find the angle between the vectors u and v.





A) 175°
B) 40°
C) 105°
D) 75°
E) 165°


Mathematics

Find f (c) by evaluating directly and by using synthetic division and the remainder theorem.f (x) = x 2 + 2x + 4 and c = 9 

A. 95 B. 9 C. 107 D. 99 E. 103

Mathematics

Multiply.90 ? 500

A. 45,000 B. 450,000 C. 14,000 D. 4500

Mathematics

Provide an appropriate response.An economy is based on two sectors, agriculture and manufacturing. Production of a dollar's worth of agriculture requires an input of $0.40 from agriculture and $0.10 from manufacturing. Production of a dollar's worth of manufacturing requires an input of $0.20 from agriculture and $0.30 from manufacturing. Find the output for each sector that is needed to satisfy a final demand of $16 billion for agriculture and $32 billion for manufacturing.

A. $44 billion agriculture, $52 billion manufacturing B. $56 billion agriculture, $36 billion manufacturing C. $52 billion agriculture, $44 billion manufacturing D. $36 billion agriculture, $56 billion manufacturing

Mathematics