Step-by-step explanation:
In one second Jenny walks = 2 m
In 9seconds she can walk = 9× 2m
= 18m
Answer: B
explanation: B is the right answer because it passes the vertical line test while the others do not. the others would have more than one outcome for the same income, therefore it wouldn’t be a function
So, 52-24=28. That means that the remaining books are nonfiction books. 28 is the answer.
The face dimensions are all the same, so the 3 lateral faces each have the same area. The lateral area is
3·(10 cm²) = 30 cm²
