Find the distance between the pair of points. Give an exact answer, and where appropriate, an approximation to three decimal places.(-1.9, -0.9) and (-2.2, 1.7)
A. 4.974
B. 4.177
C. 2.617
D. 6.001
Answer: C
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Rewrite the rational expression using the specified denominator D.
, D = (y - 3)(y + 3)(y + 7)
A. 
B. 
C. 
D. 
Use a system of linear equations to solve the problem.Brenda has two containers of water for a camping trip. One container holds 4 times as much as the other. The total amount of water is 45 gallons. How much water is in each container?
A. 9.5 gal; 35.5 gal B. 9 gal; 36 gal C. 8 gal; 37 gal D. 45 gal; 9 gal
Find the equation of the line satisfying the given conditions, giving it in slope-intercept form if possible.Through (-6, 4), perpendicular to 7x + 9y = -78
A. y = - 
x + 
B. y = 
x + 
C. y = - 
x + 
D. y = 
x + 
In the given problem, (a) identify the percent; (b) identify the whole; and (c) identify the part. Write "unknown" if the answer cannot be found in the problem.78 e-mails is 48% of what number of e-mails?
A. (a) 48%; (b) 78 e-mails; (c) unknown B. (a) 78%; (b) unknown; (c) 48 e-mails C. (a) 78%; (b) 48 e-mails; (c) unknown D. (a) 48%; (b) unknown; (c) 78 e-mails