Solve.A phone call between two cities costs $15.21 for 100 minutes. What is the rate in cents per minute?
A. 1.521¢/min
B. 15.21¢/min
C. 152.1¢/min
D. 0.1521¢/min
Answer: B
Mathematics
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Provide an appropriate response.When two linear equations are solved for y and the slopes are equal and the y-intercepts are different, the lines are 
A. Intersecting B. Parallel C. One Graph
Mathematics
Answer the question.What complex number is the common cube root of -i and fourth root of 1?
A. i
B. -i
C. 
D. 
Mathematics
Find the difference.-12 - (-1)
A. 11 B. -13 C. 13 D. -11
Mathematics
Multiply.-10 ? (-3) ? 9 ? (-18)
A. -22 B. 4860 C. -4860 D. 288
Mathematics