Solve the inequality. Express your answer using interval notation. Graph the solution set.7x + 4 > 6x + 8
A. [4, ?)
B. (4, ?)
C. (12, ?)
D. (-?, 4]
Answer: B
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Solve the problem.Two boats leave a dock together, each traveling in a straight line. One boat travels at 
and the other at 
If the angle between their courses measures 
how far apart are they after 
Round your answer to the nearest tenth of a mile.
A. 17.6 mi B. 15.6 mi C. 6.1 mi D. 10.3 mi
Solve the problem.The table lists the average monthly temperatures of two cities for January through June of last year.
Find Central's median temperature for this time period and Naborly's median temperature for this time period. How much warmer is Naborly than Central? Round answers to the nearest whole degree.
A. Central: 50 Naborly: 54 4 degrees warmer B. Central: 50 Naborly: 69 19 degrees warmer C. Central: 50 Naborly: 55 5 degrees warmer D. Central: 54 Naborly: 50 4 degrees warmer
Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.arctan 14.9
A. 86.16° B. -86.16° C. 64.62° D. 43.08°
Decide whether the equation defines y as a function of x.y2 = (x - 3)(x + 6)
A. function B. not a function