Solve the problem.The seamstress has a length of 15 feet of material on a bolt. She plans to use the material to make scarves. If each scarf requires a length of 7
inches, how many can be made? (1 foot = 12 inches)
A. 25 scarves
B. 135 scarves
C. 2 scarves
D. 24 scarves
Answer: D
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Solve the problem.A vendor sells hot dogs and bags of potato chips. A customer buys 5 hot dogs and 5 bags of potato chips for $21.25. Another customer buys 3 hot dogs and 5 bags of potato chips for $16.25. Find the cost of each item.
A. $2.50 for a hot dog; $2.00 for a bag of potato chips B. $1.75 for a hot dog; $2.50 for a bag of potato chips C. $2.75 for a hot dog; $2.00 for a bag of potato chips D. $2.50 for a hot dog; $1.75 for a bag of potato chips
Describe the conditions under which the statement is true.A ? ? = U
A. A ? ? B. A = U C. Always true D. A = ?
Find the sum of the n terms of the indicated geometric sequence with the given values.a1 = 9, an = -288, n = 6
A. 135 B. -189 C. -45 D. 567