Use a double-angle identity to evaluate the expression.sin 
A.
B.
C. -
D. -
Answer: C
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Asymptotes y = x, y = -
x; one vertex (7, 0)
A. -
= 1
B. -
= 1
C. -
= 1764
D. -
= 7
Mathematics
What is the place value of the 5 in 123456.0789?
a. ones b. hundredths c. tenths d. thousandths
Mathematics
Solve.Last week, Samantha ran 11 miles. This week, she ran 9 miles. How much more did she run last week?
A. 13 miles
B. 1 miles
C. 20 miles
D. 1 miles
Mathematics
Multiply. Write the answer in simplest form.5 ? 5 ?
A. 25
B. 10
C. 25
D. 5
Mathematics