Write an algebraic equation and use it to solve the problem.City A experienced 18 armed robberies less than twice that of City B. In the two cities combined, 138 armed robberies occurred. How many armed robberies occurred in City A and in City B?
A. City A: 60 armed robberies; City B: 78 armed robberies
B. City A: 86 armed robberies; City B: 52 armed robberies
C. City A: 34 armed robberies; City B: 104 armed robberies
D. City A: 62 armed robberies; City B: 40 armed robberies
Answer: B
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Fill in the blank with one of the words or phrases listed below.
In 
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, a ? d and b ? c are called 
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A. cross products B. reciprocals C. simplest form D. prime factorization
Approximate the area of the triangle to the nearest tenth.
A. 130.5 B. 127.5 C. 124.5 D. 121.5
Find the product.(x - 11)(x2 + 8x - 6)
A. x3 - 3x2 - 94x + 66 B. x3 + 19x2 + 94x + 66 C. x3 + 19x2 + 82x - 66 D. x3 - 3x2 - 82x - 66
Describe the solution set as an inequality and in interval notation. |x| < -11
A. -11 < x < 11; (-11, 11) B. -11 C. empty set D. the set of real numbers; (-?, ?)