Answer:
(42 - 15) ÷ 5= 5.4
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1) 42 - 15 = 27
2) 27 ÷ 5 = 5.4
4m=how far they run in the relay race
Answer:
Step-by-step explanation:
T2 is the second term of the sequence. S1 is the sum of 1 term(s) of the sequence. S2 is the sum if the first two terms of the sequence.
Answer:
The people can seat themselves in 20160 different ways.
Step-by-step explanation:
Arrangements of n elements:
The number of arrangements of n elements is given by the following formula:

In this question:
For the first seat, that is, the driver seat, 4 possible people can sit.
For the remaining 7 seats, the number of ways in which the people can sit is an arrangement of 7 elements. So

The people can seat themselves in 20160 different ways.