Provide an appropriate response.
Multiply: 9x3(yz2 - z)
A. 9x3yz2 - 9x3
B. 9x3yz2 - 9x3z
C. 9x3yz2 + 9x3z
D. 9xyz
Answer: B
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Solve. b(b + 11) = 0
A. 0, 11 B. 1, -11 C. -1, 11 D. 0, -11
Solve.Tom Quig traveled 240 miles east of St. Louis. For most of the trip he averaged 70 mph, but for one period of time he was slowed to 10 mph due to a major accident. If the total time of travel was 6 hours, how many miles did he drive at the reduced speed?
A. 50 miles B. 30 miles C. 25 miles D. 40 miles
Perform the indicated operations and write the answer in the form where a and b are real numbers.(5 - 9i)2
A. -56 - 90i B. 106 - 90i C. 25 + 81i D. 25 - 81i
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
src="https://sciemce.com/media/4/ppg__dsd0520191959__f1q139g3.jpg" style="vertical-align: -23.0px;" /> is , find a.
A. a = 14,655
B. a = 14,900
C. a = 15,850
D. a = 15,600