Solve the inequality. Graph your solution on a number line, and write your solution in interval notation.-7x + 1 ? 15 or 5x + 3 ? -17
A. [-4, ?)
B. [-2, ?)
C. [-4, -2]
D. (-?,?)
Answer: D
Mathematics
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Evaluate 
Round your result to three decimal places.
a. –1.407 b. 1.407 c. 0.711 d. –0.711
Mathematics
Solve the double inequality.-8 ? 0.2z + 3 ? -5
A. -55 ? z ? -40 B. -55 < z < -40 C. -55 ? z < -40 D. -55 ? z ? -40
Mathematics
Find the distance between the points, and find the midpoint of the line segment joining them.(6, 3) and (3, 9)
A. 3
; 
B. 3; (9, 12)
C. 3; (3, -6)
D. 3
; 
Mathematics
Simplify and add or subtract wherever possible.
+ 
- 
A. 123
B. 9
C. 9
D. -120
Mathematics