Provide an appropriate response.State the domain of the inverse cosine function.
A. [0, ?]
B. 
C. (-1, 1)
D. [-1, 1]
Answer: D
Mathematics
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Determine if the given value is a solution to the inequality.9 + 0.4(8 - y) ? 1.1y - 9(y - 0.7); y = 1
A. Yes B. No
Mathematics
Solve. Write a mixed numeral for the answer.Ellen is knitting a scarf with one 7
-inch blue stripe, one 4 -inch green stripe, and one 2
-inch white stripe. How wide is the scarf?
A. 14
in.
B. 
in.
C. 
in.
D. 4
in.
Mathematics
Fill in the blank with one of the words or phrases listed below. 
Two angles that have a sum of 90° are called 
angles.
A. supplementary B. acute C. straight D. complementary
Mathematics
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics