Solve the equation.13x2 - 34 = 5
A. 3 or ?3
B. 
or ?
C. 3
D. 
Answer: B
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Solve.The length of a hypotenuse c of a right triangle with legs a and b of lengths a = 50mm and b = 71mm is given by c = 
. Calculate the length of the hypotenuse. (Round to an appropriate number of significant digits.)
A. 86.84mm B. 50mm C. 121mm D. 87mm
Solve the problem.The number of television sets produced on an assembly line varies jointly as the number of employees working on the line and the number of hours they work. If 40 workers produce 90 televisions in 3 hours, how many televisions can be produced by 118 employees working for 6 hours? Round your answer to the nearest number of televisions.
A. 534 B. 531 C. 538 D. 526
Solve.In a particular city, 
of the residents subscribe to the local newspaper. Write 
as a percent.
A. 0.03% B. 3% C. 30% D. 0.3%
Solve the problem.If v = 4i + j and w = -10i + j, find 
.
A. 14
B. 
C. 2
D. 3