Find the linear function that is the best fit for the given data. Round decimal values to the nearest hundredth, if necessary.
A. y = 9.2x - 2.1
B. y = 9.8x - 2.6
C. y = 10x - 3
D. y = 9x - 3
Answer: B
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Change the word statement to an equation. Use x as the variable.5 times a number equals 10 less than 6 times the number.
A. 5x = 10 - 6x B. 5x = 6x - 10 C. 5x = 10 - 6
Solve using substitution: {2k+3j =10, k+j=3}
What will be an ideal response?
Solve the problem.A record store downtown is offering 3% off all purchases for the month of December. Write this percent as a decimal.
A. 3 B. 0.03 C. 0.03% D. 0.3
The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.Find the magnitude (to one decimal place) of an earthquake whose seismographic reading is 2000 millimeters at a distance of 100 kilometers from its epicenter. Round the answer to the nearest tenth.
A. 6.3 B. 6.4 C. 5.9 D. 7.3