Question

1.which is the slope of a line containing the points(1,13)and (-3,6)?
2.If the second term in an arithmetic sequence is 4, and the tenth is 15, what is the first term in the sequence?​

Answer 1

Answer:

1. 6-13/-3-1= -7/-4 = 7/4.

2. a2= a+d = 4

a10= a+ 9d = 15

-8d = - 11

d= 11/8

so a=21/8

Step-by-step explanation:

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Answer 2

Answer:

21/8 I hope you understand