Determine the equation of the line described. Put the answer in the slope-intercept form, if possible.Through (-9, 2), perpendicular to 7x - 2y = -67
A. y = - 
x
B. y = - 
x - 
C. y = 
x + 
D. y = - 
x + 4
Answer: B
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Find the following using a calculator. Round to four decimal places.log 93,800
A. 6.8436 B. 6.844 C. 6.8439 D. 4.9722
A computer password is made up of five characters. Each character can be a capital letter (A through Z) or a digit (0 through 9).How many passwords do not start with the digit 0?
A. 364 B. 365 - 1 C. 355 D. 35 × 364 E. none of these
Solve the problem.The manager of a coffee shop has one type of coffee that sells for $5 per pound and another type that sells for $12 per pound. The manager wishes to mix 60 pounds of the $12 coffee to get a mixture that will sell for $10 per pound. How many pounds of the $5 coffee should be used?
A. 42 lb B. 24 lb C. 12 lb D. 84 lb
Solve the system by substitution. x + 2y = -162x + 2y = -22
A. {(-6, -5)} B. ? C. {(6, -6)} D. {(-5, -6)}