Solve.In an advertisement, two digital cameras offer the same features and quality. Digital camera A is reduced 20% from the original price of $650, and the manufacturer gives a discount of $35. Digital camera B is reduced 15% from the original price of 
and the manufacturer gives a discount of 
Which digital camera is a better deal?
A. A sale price: $552.50
B sale price: $520 (better buy)
B. A sale price: $485
B sale price: $482.50 (better buy)
C. A sale price: $555 (better buy)
B sale price: $622.50
D. A sale price: $482.50 (better buy)
B sale price: $485
Answer: B
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Solve the equation.
(10x - 20) = 
(8x - 4)
A. 
B. -1
C. -6
D. 1
Use counting rules to determine the probability.A committee of 9 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 to 2?
A. 
B. 
C. 
D. 
Find the volume of the circular cone. Use 3.14 for ? and round as indicated. Round to the nearest hundredth.
A. 52.96 km3 B. 1747.724 km3 C. 582.57 km3 D. 2330.3 km3
Add.(6n7 - 6n + 9n6) + (2n6 + 8n7 + 8n)
A. 27n14 B. 14n + 11n7 + 2n6 C. 14n7 + 11n6 + 2n D. 2n7 + 8n6 + 17n