9n+15 is the right answer. Have a good day! :)
Answer:
y = (x-2)/z
Step-by-step explanation:
Unlikely because 2 girls over 7 children is less then 50%
Im not 100% sure what youre asking but if the value for C isnt given then it would be -7c because 3-10 is -7
(if theres a value for C can you let me know I can solve the actual thing it it would help more just lmk :)