Solve the equation.
+ 
= 
A. {-1}
B. {-3}
C. {3}
D. {1}
Answer: D
Mathematics
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Solve the problem.The length of a vegetable garden is 7 feet longer than its width. If the area of the garden is 98 square feet, find its dimensions.
A. 8 ft by 15 ft B. 7 ft by 14 ft C. 6 ft by 15 ft D. 6 ft by 13 ft
Mathematics
Graph the system of inequalities.x2 + y2 ? 16y - x2 > 0
A. 
B. 
C. 
D. 
Mathematics
Use the formula for Sn to find the sum of the first five terms of the geometric sequence. Round to the nearest hundredth, if necessary.2, -6, 18, -54, . . .
A. 122 B. -242 C. 242 D. -122
Mathematics
Find the vertex and focus of the parabola.
?
A. vertex: (0,0) focus: (0,-2) B. vertex: (2,0) focus: (0,0) C. vertex: (0,0) focus: (-2,0) D. vertex: (0,0) focus: (0,2) E. vertex: (-2,0) focus: (0,0)
Mathematics