Solve the problem.Find the gasoline price index for 1985 using the 2000 price as the reference value. Use the table below. 

A. 129.6
B. 7.7
C. 77.2
D. 84.9


Answer: C

Mathematics

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The position vector of a particle is r(t). Find the requested vector.The acceleration at t =  for r(t) = (4t - 3t3)i  + 4tan(2t)j + e5tk

A. a = - ?i - 64j + 25k
B. a = ?i + 64j + 25e5/8?k
C. a = - ?i + 64j + 25e5/8?k
D. a = - ?i - 64j + 25e5/8?k

Mathematics

Solve the problem.A certain product has supply and demand functions given by p = 3q + 21 and p = 164 - 8q, respectively, where p is the price in dollars and q is the quantity supplied or demanded at price p. What price gives market equilibrium?

A. $60 B. $13 C. $39 D. $18

Mathematics

What type of triangle is represented by these vertices A , B and C? ? A (6,6) ; B (4,11) ; C (11,8) ?

A. right triangle B. acute triangle C. obtuse triangle

Mathematics

Perform the indicated operation and express in lowest terms. -  

A.
B.
C.
D.

Mathematics