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
Hence the correct answer is C) -23
Further explanation:
We have to put the values of m and n into both expression first separately and then multiply the answers.
Given expressions are:

The values are:

Putting the values in expression 1:

Putting the values of m and n in second expression

Multiplying both expressions:

Hence the correct answer is C) -23
Keywords: Polynomials, Putting values in expressions
Learn more about polynomials at:
#LearnwithBrainly
A=7 b =4 and c=9 Because the 7 is the base of the number
Answer:
A) is correct answer
Step-by-step explanation:
Options:
a) 1.25 O
b) 1.5
c) 1 O
d) 2
(hope this helps can I pls have brainlist (crown)☺️)