Answer:
70
Step-by-step explanation:
70 combinations of four books can be made from eight different books.
Answer: lateral surface area = 119.4cm^2
r = 2 cm.
h = 9.5 cm.
Steps:
Lateral surface area of a cylinder = 2πrh
r = radius h = height π = pi
2π(2)(9.5)
2π(19)
38π = 119.38052
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Answer:
10
Step-by-step explanation:
4 * 2.5 = 10
the answer is b
Step-by-step explanation:
hope this helps if not let me know have a blessed day