Find the exact value of the expression.sin

A.
B.
C. - 
D.


Answer: B

Mathematics

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Use the distance formula to find the distance between the pair of points.(4, -7) and (6, -3)

A. 2
B. 2 
C. 12
D. 12 

Mathematics

Solve the problem.Bill needs an average of 95 on four tests in science to make the honor roll. What is the lowest score he can receive on the fourth test if his first three scores are 96, 95, and 89?

A. 93.3 B. 100 C. 95 D. 93.8

Mathematics

Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?

A. $300,000 B. $360,000 C. $60,000 D. $218,400

Mathematics

Multiply.(5xy2 + 9x)(5xy2 - 9x)

A. 25x2y4 - 90x2y4 - 81x2 B. 25x2y4 - 81x2 C. 10x2y4 - 18x2 D. 10x2y4 - 90x2y4 - 18x2

Mathematics