Simplify the expression. Assume that all variables are positive when they appear.(
+ 3)(
- 3)
A. 8 - 2
B. -1
C. 5
D. 17
Answer: B
Mathematics
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Solve the equations.3z2 - 192 = 0
A. 98 B. ±9 C. 8 D. ±8
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Find the slope of the line satisfying the given conditions.through (5, 5) and (-2, 5)
A. 7 B. -7 C. undefined D. 0
Mathematics
Determine the domain and range of the relation.{(11, 7), (10, -4), (1, 9), (1, 3)}
A. Domain: {7, -4, 9, 3}; Range: {11, 10, 1} B. Domain: {11, 10, 1}; Range: {7, -4, 9, 3} C. Domain: {11, 10, 1, -1}; Range: {7, -4, 9, 3} D. Domain: {11, 10, 1, 1}; Range: {7, -4, 9, 3}
Mathematics
Write as an addition problem and find the sum.Jane lost 8 pounds the first week and gained 7 pounds the second week. What was her net gain or loss?
A. 8 + -7 = 
pounds
B. 
+ 7 = -1 pounds
C. 8 + -7 = 15 pounds
D. 
+ 7 = 1 pounds
Mathematics