Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.-9 - 5x2 = 4x - 12
A. One real solution
B. Two different imaginary-number solutions
C. Two different real-number solutions
Answer: C
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Provide an appropriate response.Do as indicated: $13,208 × 42 - $47 × 102 =
A. $55,468,900 B. $8.508 C. $550,036 D. $12.708
Solve the problem.The cross-sectional area of a cylinder is given by A = ?D2/4, where D is the cylinder diameter. Find the tolerance range of D such that 
< 0.01 as long as Dmin < D < Dmax.
A. Dmin = 3.558, Dmax = 3.570 B. Dmin = 3.567, Dmax = 3.578 C. Dmin = 3.558, Dmax = 3.578 D. Dmin = 3.567, Dmax = 3.570
Solve the problem.The dimensions of a rectangular yard are 35 feet wide (w) by 102 feet long (l). The perimeter (p) of the yard can be found by adding all of the sides together. Write an equation which expresses the perimeter. What is its perimeter?
A. p = 2w + 2l; p = 274 feet B. p = 2w + l; p = 172 feet C. p = w + l; p = 137 feet D. p = wl; p = 3570 feet
In a batch of 13 tires, 3 are known to be defective. If 4 tires are chosen at random, find the probability that all 4 tires are good. ?
A. 
B. 
?
C. ?
D. ?
E. ?