Add or subtract. Simplify radicals where necessary.
- 
A. -5
B. -5
C. -15
D. 9
Answer: A
Mathematics
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Use the slopes of UQ, UR, US, and UT to estimate the rate of change of y at the specified value of x.x = 5
A. 0
B. 
C. 
D. 
Mathematics
Solve the equation.log9 (x - 2) + log9 (x - 2) = 1
A. -5, 5
B. 5
C. - 
, 
D. 
Mathematics
Round to the indicated place value.Round to the nearest hundred: 20,859.72
A. 20,800 B. 20,860 C. 20,900
Mathematics
Decide whether any pair of triangles in the figure is necessarily congruent. If so, write an appropriate congruence statement and specify which congruence principle applies.
Mathematics