Without solving the given quadratic equation, determine the number and type of solutions.x2 - 7x + 8 = 0
A. one (repeated) real rational solution
B. two real irrational solutions
C. two real rational solutions
D. two imaginary solutions
Answer: B
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Use a sum or difference identity to find the exact value.sin 
A. 
B. 
C. 
D. 
A pentagon has the same number of diagonals as it has sides.
Answer the following statement true (T) or false (F)
Solve the problem using matrices.A chemist has prepared two acid solutions, one of which is 6% acid by volume, another 10% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of 
solution.
A. 22 cc of the 6% solution and 28 cc of the 10% solution B. 4.12 cc of the 6% solution and 45.88 cc of the 10% solution C. No solution D. 50 cc of the 6% solution and 50 cc of the 10% solution
Find the indicated probability.You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. Find the probability that the first card is a king and the second card is a queen.
A. 
B. 
C. 
D. 