A call to Tucson from a pay phone in Chicago cost 85 cents for the first minute and 27 cents for each additional minute or portion of a minute. If a student has $9.00 in change, how long can she talk?
A. 42 min
B. 30 min
C. 34 min
D. 31 min
E. 38 min
Answer: D
Mathematics
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Find an equation of the line that satisfies the conditions. Write the equation in standard form.Through (2, 5); m = - 
A. 7x - 8y = 54 B. 8x + 7y = -54 C. 7x + 8y = 54 D. 7x + 8y = -54
Mathematics
Name one figure that satisfies each set of properties. There may be more than one correct answer.
It has four sides. One set of parallel sides.
Mathematics
Show that the matrix has no inverse.
What will be an ideal response?
Mathematics
Evaluate the integral. 
A. 
ln
+ 
ln
+ C
B. 
ln
- 
ln
+ C
C. 
et ln
- 
et ln
+ C
D. 
ln
- 
ln
+ C
Mathematics