Use the discriminant to determine the number of solutions of the quadratic equation.w2 - 5w + 8 = 0
A. no real solution
B. 1 real solution
C. 2 real solutions
Answer: A
Mathematics
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Based on the figure, specify the given set in a simpler way.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer to the nearest tenth.The roof of a building is in the shape of the top half of the hyperbola y2 - x2 = 21, where x and y are in meters. Refer to the figure and determine the distance, w, between the two outside walls. 
a = 9.0 m b = 9.0 m
A. 15.5 m B. 10.1 m C. 7.8 m D. 60.0 m
Mathematics
Multiply. Simplify the final answer.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve.A $310 painting is on sale at 25% off. How much will the painting cost?
A. $3022.50 B. $7.75 C. $232.50 D. $77.50
Mathematics