Find the exact value of the expression. Do not use a calculator.sin 330° sin 270°
A. 
B. 
C. - 
D. - 
Answer: A
Mathematics
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Solve the problem.Using each of 1, 3, 5, 7, 11, and 12 once and only once, fill in the circles so that the sums of the numbers on each of the three sides of the triangle are equal.
A. 
B. 
C. 
D. 
Mathematics
Find the product using one of the formulas for the square of a binomial.(x2 - 2)2
A. x4 - 2x + 4 B. x4 - 2x2 + 4 C. x4 + 4 D. x4 - 4x2 + 4
Mathematics
Fill in the blank with one of the words or phrases listed below.
The fraction 
is 
.
A. undefined B. proper fraction C. 0 D. prime factorization
Mathematics
Solve.Use one of the following names to identify the property illustrated by this expression: associative, commutative, identity, or distributive.24 × (47 + 71) = 24 × 47 + 24 × 71
A. Commutative B. Associative C. Identity D. Distributive
Mathematics