Solve.5(2z - 5) = 9(z + 5)
A. {-20}
B. {25}
C. {70}
D. {20}
Answer: C
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The pair of figures is similar. Find the missing side n. Round to the nearest tenth when necessary.
A. n = 182 cm B. n = 45.5 cm C. n = 3.7 cm D. n = 1.1 cm
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 1 ft, c = 30 ft
A. b ? 31 ft B. b ? 30.0 ft C. b = 29 ft D. b ? 5.4 ft
Use Cramer's rule to solve the system.11x + 3y=15x + 2y=4
A. {(- 
, 
)}
B. {(
, - 
)}
C. {(- 
, 
)}
D. {(
, 
)}
Solve the problem.At the first tri-city meeting, there were 8 people from town A, 7 people from town B, and 5 people from town C. If the council consists of 5 people, find the probability of 2 from town A, 2 from town B, and 1 from town C.
A. .038 B. .090 C. .190 D. .076