Solve.
A) 18
B) 1.5
C) 54
D) 6
E) 3
D) 6
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Perform the indicated operations.Estimate by rounding to the nearest hundred, then find the actual sum.434564562365
A. Estimate: 2,900 Actual: 2,827 B. Estimate: 2,830 Actual: 2,290 C. Estimate: 2,800 Actual: 1,925 D. Estimate: 2,827 Actual: 2,393
Solve the problem.The value of a 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 b.
A. b = 2600
B. b = -1600
C. b = - 1400
D. b = 2200
Solve the problem.A farmer has 400 feet of fence with which to fence a rectangular plot of land. The plot lies along a river so that only three sides need to be fenced. Estimate the largest area that can be fenced.
A. 16,000 ft2 B. 20,000 ft2 C. 30,000 ft2 D. 24,000 ft2
Solve using a proportion. Round your answer to the nearest hundredth when necessary.It takes Mary Alice 22 minutes to type and spell check 14 pages of a manuscript. Find how long it takes her to type and spell check 91 pages. Round answer to the nearest whole number if necessary.
A. 143 minutes B. 58 minutes C. 2002 minutes D. 22 minutes