Solve the problem.Find the area A of a triangle with height 9 cm and base 6 cm.
A. A = 27 cm2
B. A = 54 cm
C. A = 27 cm
D. A = 54 cm2
Answer: A
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Use the multiplication principle to solve the problem.A restaurant offers 7 possible appetizers, 11 possible main courses, and 9 possible desserts. How many different meals are possible at this restaurant? (Two meals are considered different unless all three courses are the same).
A. 693 B. 27 C. 683 D. 343
Simplify.-
A. 10 B. -1 C. -10 D. 1
A researcher chooses three leaves from a target environment and classifies each sample as fungus-free or contaminated. Suppose that a leaf has a probability of 0.4 of being infected. Find the probability, that two leaves infected. ?
A. 0.490 B. 0.181 C. 0.314 D. 0.144 E. 0.288
Graph the function on a grapher. Then use the grapher to find the x- and y-intercepts. Round to the nearest hundredth if necessary.f(x) = -10.3x2 + 8.45x + 6.34
A. No x-intercepts, (0, 6.34) B. (-0.48, 0), (1.30, 0), (0, 6.34) C. (-1.30, 0), (0.48, 0), (0, -6.34) D. (-0.48, 0), (0, 6.34)