The answer is 40 good luck
Answer:
21 squares
Step-by-step explanation:
6+5+4+3+2+1=21
An input-output table, like the one shown below, can be used to represent a function. Each pair of numbers in the table is related by the same function rule. That rule is multiply each input number
4n+15=70+n
I'm pretty sure this is the answer
Have a good day!