Use the discriminant to determine the number and nature of the solutions to the quadratic equation. Do not solve the equation.x2 - 8x + 16 = 0
A. two real solutions
B. two nonreal solutions
C. exactly one real solution
Answer: C
Mathematics
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Insert <, >, or = between the pair of numbers to form a true statement.4
4.332
A. > B. = C. <
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Find a cofunction with the same value as the given expression.sin 67°
A. tan 23° B. cos 23° C. cot 23° D. cos 67°
Mathematics
Solve. Round to two decimal places unless otherwise noted.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: 
How many hours of study are needed to score 89?
A. 27.10 hr B. 2.71 hr C. 101.10 hr D. 7.15 hr
Mathematics
Sketch the graph of the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics