Find the exact value of the expression.
A. 
B. 
C. 
D. 2
Answer: A
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Use the discriminant to determine the number and nature of the solutions to the quadratic equation. Do not solve the equation.x2 - 2x + 4 = 0
A. two nonreal solutions B. two real solutions C. exactly one real solution
For ?ABC, given the measures of ?A and ?B, find the measure of ?C.?A = 25° and ?B = 3°
A. ?C = 152° B. ?C = 62° C. ?C = 332° D. ?C = 28°
Solve and graph. Write the solution set in set-builder and interval notation.a - 9 < -12
A. {a
a > -3}; (-3, ?)
B. {a
a ? -3}; (-?, -3]
C. {a
a ? -3}; [-3, ?)
D. {a
a < -3}; (-?, -3)
Find the payment that should be used for the annuity due whose future value is given. Assume that the compounding period is the same as the payment period.$126,000; monthly payments for 7 years; interest rate 6%.
A. $249.71 B. $1204.65 C. $1222.42 D. $3600.13