Solve the equation. First simplify the expression by combining like terms.7(k - 8) - (6k - 8) = 3
A. - 3
B. - 51
C. - 45
D. 51
Answer: D
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Solve the problem using determinants.Factories A and B sent rice to stores 1 and 2. A sent 10 loads and B sent 21. Store 1 used 16 loads and store 2 used 15. It cost $200 to ship from A to 1, $350 from A to 2, $300 from B to 1, and $250 from B to 2. $7550 was spent. How many loads went where?
A. 9 from A to 1; 1 from A to 2; 7 from B to 1; 4 from Y to B B. 10 from A to 1; 0 from A to 2; 6 from B to 1; 15 from B to 2 C. 8 from A to 1; 2 from A to 2; 8 from B to 1; 13 from B to 2 D. 0 from A to 1; 10 from A to 2; 15 from B to 1; 6 from B to 2
Provide an appropriate response.Multiply the fractions and reduce: 
? 
? 
A. 1
B. 
C. 0
D. 
Evaluate the logarithm without the use of a calculator.log10 1000
A. 3 B. -1 C. 0 D. -3
Determine whether the study is an experiment or an observational study.A pollster obtains a sample of students and asks them how they will vote on an upcoming referendum.
A. experiment B. observational study