Multiply.-5x(-11x - 9)
A. 100x2
B. 55x2 - 9x
C. -11x2 + 45x
D. 55x2 + 45x
Answer: D
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Find the equation of the line that has the given slope and passes through the given point.m = 
, (0, 3)
A. y = 
x + 3
B. y = 
x + 3
C. y = 
x - 3
D. y = - 
x - 3
Translate to a proportion and solve. Round to the nearest hundredth, if necessary.What number is 90% of 350?
A. 3,150 B. 31.5 C. 31,500 D. 315
Solve the problem.A deli sells three sizes of pastrami sandwiches: the small pastrami sandwich contains 5 ounces of meat and sells for $3.50; the regular pastrami sandwich contains 9 ounces of meat and sells for $4.00; and the large pastrami sandwich contains 12 ounces of meat and sells for $4.50. A customer requests a selection of each size for a reception. She and the manager agree on a combination of 54 sandwiches made from 27 pounds 10 ounces of pastrami for a total cost of $210. How many of each size sandwich will be in this combination? (Note: 1 pound = 16 ounces)
A. 20 small sandwiches, 14 medium sandwiches, 20 large sandwiches. B. 24 small sandwiches, 18 medium sandwiches, 12 large sandwiches. C. 22 small sandwiches, 24 medium sandwiches, 8 large sandwiches. D. 26 small sandwiches, 12 medium sandwiches, 16 large sandwiches.
Solve the equation.
= 9
A. 
B. {81}
C. {9}
D. ?