Solve the problem.The area of a rectangular floor is 12m2 + 6m - 18. Find the length if the width is 
A. 4m - 6
B. 4m + 6
C. 12m - 6
D. 12m + 6
Answer: B
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Find the requested vector.v = 2i - 2j + k, u = -4i - 4j + 5kFind a vector orthogonal to both v and u.
A. -6i - 14j - 16k B. -6i - 7j + 7k C. 6i + 7j + 2k D. 24i + 21j + 36k
Use the tables to evaluate the expression if possible.Find (f ? g)(9). 
A. 17 B. 38 C. 34 D. 9
Use the formula for Sn to find the sum of the first five terms of the geometric sequence. Round to the nearest hundredth, if necessary.3, 9, 27, 81, . . .
A. 366 B. 353 C. 362 D. 363
Solve.A boat leaves the dock and sails in a direction of 70°. Once reaching its destination on the opposite shore, it sails in a direction of 272° and docks 150 km north of its original starting position. What is the total distance the boat has traveled?
A. 776 km B. 997 km C. 626 km D. 926 km