Rationalize the denominator. Assume all variables represent positive numbers.
A. 3
B. 
C. 
D. 3
Answer: B
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Provide an appropriate response.Find the equation of the line that is perpendicular to the line 3y = 2x - 1 and passes through the point (-4, 2).
A. 2x - 3y = -14 B. x + 2y = 0 C. 3x + 2y = -8 D. 3x + 2y = -4
Solve the problem.It is 4.7 km from Lighthouse A to Port B. The bearing of the port from the lighthouse is N73°E. A ship has sailed due west from the port and its bearing from the lighthouse is N31°E. How far has the ship sailed from the port? Round your answer to the nearest 0.1 km.
A. 2.7 km B. 3.5 km C. 3.1 km D. 3.7 km
Solve the problem.The formula S = A
models the value of a retirement account, where 
number of dollars added to the retirement account each year, 
annual interest rate, and 
value of the retirement account after t years. If the interest rate is 7%, how much will the account be worth after 15 years if $800 is added each year? Round to
the nearest whole number. A. $2347 B. $35,316 C. $22,310 D. $12,800
Solve the radical equation.
- 
= 1
A. {-3, -1} B. {3, -1} C. ? D. {3}