Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 3.9 cm
B. 11.2 cm
C. 8.4 cm
D. 126.1 cm
Answer: B
Mathematics
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Graph the equation by plotting points. Use values of ? that are multiples of 30°.r = 2 sin ?
A. 
B. 
C. 
D. 
Mathematics
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(1, -2); slope: 0
A. y = 
x + 0
B. x = 1
C. y = -2
D. y = 2x + 0
Mathematics
Solve.For a recruitment brochure, a college presented the following graph indicating the continental homes of its student population. 
Write the percent of students from Australia as a fraction in simplest form.
A. 
B. 
C. 
D. 
Mathematics
Subtract.15a4 + 12a2
A. 6a6 B. 33a4 + 15a2 C. -3a4 + 9a2 D. -3a4 + 15a2
Mathematics