Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 22.5°
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Solve the problem.The following table shows the per capita fish consumption, in pounds, in the Virgin Islands in 3 recent years. 
Fit a quadratic function f(x) = ax2 + bx + c to the data. Using this function, what would you predict the per capita fish consumption to be in 2023?
A. 202.1 pounds B. 204.4 pounds C. 205.9 pounds D. 204.8 pounds
Mathematics
Use the laws of exponents to simplify. Do not use negative exponents in your answer.
A. y1/2
B. 
C. y2/3
D. y
Mathematics
Rewrite the radical expression using rational exponents. Assume all variables represent nonnegative real numbers.
A. x5y-1z1 B. (x7yz3)1/2 C. (x7yz3)2 D. (x7yz3)-2
Mathematics
Solve the equation by factoring.x2 + 2x - 80 = 0
A. {-10, 8} B. {10, 8} C. {10, -8} D. {-10, 1}
Mathematics