A family selects the $79.99/month rate plan offered through a cell phone carrier. This plan includes two lines of service. Each additional line costs $10.99/month. All members of the plan can use shared, unlimited texting for a fee of $19.99/month. If they plan to activate 3 lines of service along with shared texting, how much will this plan cost per year?
A. $1,436.52
B. $1,331.64
C. $979.97
D. $1091.76
Answer: B
Mathematics
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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 16, on the right by the line 
, and above by the line y = 4
A. 64?
B. 16?
C. 
?
D. 
?
Mathematics
Evaluate the determinant.
A. 49 B. 37 C. -7 D. 7
Mathematics
Multiply.7(6b)
A. 32b B. 42b C. 420b D. 35b
Mathematics
Provide an appropriate response.110 × 87 = 957087 × 110 = 9570This is an example of the 
.
A. commutative property of addition B. commutative property of multiplication C. associative property of addition D. associative property of multiplication
Mathematics