Solve the problem.The value of certain make and model of used car can depend on several factors. The table gives data for the values of three Chevy Caprice station wagons.The value V is measured in dollars, where A is the age of the car in years, and C is the condition of the car rated on a scale of 1 to 10 ( 10 is excellent condition ) .
The variables are found to be related by the equation 
Use the information given in the table to write a matrix equation which when solved will yield the values of a, b, and c. Then, using the fact that the inverse of the
matrix 
is 
, find c.
A. c = -400
B. c = -200
C. c = 200
D. c = 400
Answer: D
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Solve the problem.The electric charge q (in C) passing a given point in a circuit is given by 
where t is the time (in s). Find the current i (in A) for 
A. 1.1 A B. 2.2 A C. 0.64 A D. 2.0 A
Without actually solving the problem, choose the correct solution by deciding which choice satisfies the given conditions.Jorge has a total of 50 coins, all of which are either dimes or nickels. The total value of the coins is 
Find the number of each type of coin.
A. 19 nickels; 31 dimes B. 22 nickels; 28 dimes C. 17 nickels; 33 dimes D. 33 nickels; 17 dimes
Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 44.74 B. 4.86 C. 195.03 D. 14.98
A real estate office handles an apartment complex with 60 units. When the rent per unit is $98 per month, all 60 units are occupied. However, when the rent is $630 per month, the average number of occupied units drops to 46. Assume that the relationship between the monthly rent p and the demand x is linear. Select the equation of the line giving the demand x in terms of the rent p. ?
A. x = 532p + 62.58
B. x = -38p- 62.58
C. x = 
p + 62.58
D. x = -38p + 62.58
E. x = 14p + 62.58