Solve the equation.
- 
= 4
A. {-28}
B. {-32}
C. {32}
D. {28}
Answer: B
Mathematics
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Find the median.15, 18, 36, 55, 68, 69, 89
A. 68 B. 36 C. 50 D. 55
Mathematics
The circular ring has an inner radius of 3 and outer radius of 6.
The circular ring shown is a gnomon to
A. another circular ring with inner radius 6 and outer radius 12. B. another circular ring with inner radius 6 and outer radius 9. C. a circular disk of radius 3. D. a circular disk of radius 6. E. none of these
Mathematics
Solve the equation for the indicated variable.A = ?r2 for r
A. r = ± 
B. r = 
C. r = A?
D. r = ± 
Mathematics
Find the real numbers x and y that make the equation true.
- 7 = x - 
A. x = 18, y = -3 B. x = 10, y = -3 C. x = -4, y = -3 D. x = 10, y = 3
Mathematics