Solve the problem.Ken and Kara are 30 miles apart on a calm lake paddling toward each other. Ken paddles at 4 miles per hour, while Kara paddles at 7 miles per hour. How long will it take them to meet?
A. 2
hr
B. 2
hr
C. 10 hr
D. 19 hr
Answer: A
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Parallel lines are cut by the transversal shown. Determine the measures of the requested angles.In the figure, 
and m?ABC = 64°. Determine the measures of angles ?ABE, ?FCD, and ?BCD.
A. m?BCD = m?ABE = m?FCD = 26° B. m?BCD = 64°, m?ABE = m?FCD = 116° C. m?BCD = m?ABE = 64°, m?FCD = 116° D. m?BCD = 64°, m?ABE = m?FCD = 26°
Find the reference angle for the given angle.-12°
A. 168° B. 102° C. 12° D. 78°
Solve the problem.A guitar manufacturer spent $87 million on the production of acoustic and electric guitars in 1999. If the amount the company spent producing acoustic guitars was $70 million more than it spent on producing electric guitars, how much in fact did the company spend producing electric guitars?
A. $43.5 million B. $87 million C. $78.5 million D. $8.5 million
Solve the rational equation.
- 
= 
A. {8} B. {-8} C. {24} D. {30}