Evaluate without using a calculator by using ratios in a reference triangle.sin 60°
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 - 14x
A. 49; (x + 7)2 B. 0; (x - 7)2 C. 49; (x - 14)2 D. 49; (x - 7)2
Mathematics
Find the phase shift of the function.y = -4 sin 
A. 
units to the right
B. 4? units up
C. 
units to the left
D. 4? units down
Mathematics
Add or subtract.-4 - 7
A. -3 B. -11 C. 3 D. 11
Mathematics
Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.(6 ? 2) ? 9 = 6 ? (2 ? 9)
A. Identity B. Associative C. Commutative D. Distributive
Mathematics