Solve the problem.A 20-foot ladder is leaning against a house with the base of the ladder 3 feet from the house. How high up the house does the ladder reach? Round to the nearest tenth of a foot when appropriate. 
A. 19.8 ft
B. 20.2 ft
C. 17 ft
D. 20 ft
Answer: A
Mathematics
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Multiply. Assume that no radicands were formed by raising negative numbers to even powers.
(
+ 
)
A. 
+ 
B. 15
C. 5 + 
D. 
+ 
Mathematics
Factor the expression.8g - rn - 8n + rg
A. (8 - n)(g + r) B. (8 + n)(g - r) C. (g - n)(8 + r) D. (g - n)(8 - r) E. (g + n)(8 - r)
Mathematics
Change the complex number to rectangular form.13.35(cos 146.4° + j sin 146.4°)
A. -11.120 + 7.388j B. 3.043 - 2.022j C. -3.043 + 2.022j D. 7.388 - 11.120j
Mathematics
Match the function f with its graph.f(x) = log1/3(x + 1)
A. 
B. 
C. 
D. 
Mathematics