Answer:
11x +9
Step-by-step explanation:
Add the two expressions together to get the total number of ice creams sold
8x+16 + 3x-7
Combine like terms
8x+3x + 16 -7
11x +9
Answer: Yes Rozonda's definition is valid
Step-by-step explanation:
An=a1+d(n-1)
a1=first term
d=common difference
n=which term
common difference is 5 first term is 2
an=5+2(n-1)
19th term is n=19
a19=5+2(19-1)
a19=5+2(18)
a19=5+36
a19=41
19th term is 41