Simplify the expression.
- 
A. 
B. - 2
C. - 
D. - 
Answer: D
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Determine the equation of the line described. Put the answer in the slope-intercept form, if possible.Through (-9, 2), perpendicular to 7x - 2y = -67
A. y = - 
x
B. y = - 
x - 
C. y = 
x + 
D. y = - 
x + 4
Solve the problem.The length of a rectangular frame is 5 cm more than the width. The area inside the frame is 50 square cm. Find the width of the frame.
A. 10 cm B. 5 cm C. 15 cm D. 7 cm
Solve the problem.The following table shows the number of species listed as threatened or endangered in selected countries. Which country has 5 times as many species listed as Country B, which lists 130 species? 
A. Country D B. Country A C. Country C D. There is not enough information given.
Solve the equation symbolically.x + 12.4 = 34.7
A. 26.3 B. 21.8 C. 23.3 D. 22.3