Find the exact value of the expression. Do not use a calculator.csc 60° - cos 45°
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response. Scores on a test are normally distributed. Which of the following statements is (are) plausible? A: Daniel had a standard score of 1.9 and got an A B: Jon had a standard score of 0.7 and got a D C: Eric had a standard score of -1.6 and got a B D: Raul had a standard score of 0 and got a C
A. B and C B. A and B C. A and D D. C and D E. A only
Write in scientific notation.5,200,000
A. 5.2 × 10-7 B. 5.2 × 106 C. 5.2 × 107 D. 5.2 × 10-6
Translate the phrase into a mathematical expression and then simplify. Use x as the variable.Eight times a number, added to the sum of the same number and four.
A. 8x + x; 9x B. 8x + 4; 8x + 4 C. 8x + 4x; 12x D. 8x + (x + 4); 9x + 4
Solve the equation.
= 
A. 
B. 
C. 
D. 