Solve.A 20-foot ladder is leaning against a house with the base of the ladder 4 feet from the house. How high up the house does the ladder reach? Round to the nearest tenth foot.
A. 20.4 feet
B. 19.8 feet
C. 16 feet
D. 19.6 feet
Answer: D
Mathematics
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Provide an appropriate response.Choose the expression that is equivalent to the following: 0 + 6c
A. -6c B. 6 + c C. 6c D. 0
Mathematics
Divide and express the result in standard form.
A. - 
- 
i
B. 
+ 
i
C. - 
- 
i
D. 
+ 
i
Mathematics
Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.10th term is -12; 16th term is -24
A. a1 = 6, d = -2, an = an-1 - 2 B. a1 = 8, d = -2, an = an-1 - 2 C. a1 = 8, d = 2, an = an-1 + 2 D. a1 = 6, d = 2, an = an-1 + 2
Mathematics
Complete the table.
A. 
B. 
C. 
D. 
Mathematics