Answer:
an = a(n-1) - 7
Step-by-step explanation:
the second term is smaller than the first term 7.
a20 = a19 - 7
a19 = a18 - 7
=> a20 = (a18 - 7) - 7
Then you can accumalate until a1
-> a20 = a1 - 19*7 = 86 - 19*7 = -47
Answer:
7-(a-2)
Step-by-step explanation:
Range is 6 and the mode is 8
Answer:
N CCX XN
Step-by-step explanation:
Answer:
She bought 16
Step-by-step explanation:
0.72*16=11.52