Solve the rational inequality. Express the solution in interval notation.
? 3
A. (-7, 24)
B. (-7, 6]
C. (-7, 6)
D. (-7, 24]
Answer: D
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Solve.z + 1 = 8
A. 7 B. 9 C. -9 D. -7
Solve the problem.A fire truck is en route to an address that is 6 blocks east and 11 blocks south of the fire station. Using the fire station as the pole and the east direction as the polar axis, express the fire truck's destination (i) in rectangular coordinates and (ii) in polar coordinates. Round the coordinates to the nearest hundredth. Express ? in degrees.
A. (i) (6, 11); (ii) (4.12, -28.61°) B. (i) (6, 11); (ii) (4.12, -61.39°) C. (i) (6, -11); (ii) (12.53, -61.39°) D. (i) (6, -11); (ii) (12.53, -28.61°)
Remove parentheses and simplify the expression.-7(10r + 4) + 3(7r + 5)
A. 3r - 3 B. -49r + 4 C. -98r D. -49r - 13
Simplify, where possible.24x - 6y + 15 - 9x - 2 - 4y
A. -15x - 10y + 13 B. -15x - 2y + 13 C. 15x - 2y + 13 D. 15x - 10y + 13