I really don’t remember how to do these
7+9=16
Step-by-step explanation:
let us add the numbers step by step:
Just add the numbers like this [1+3,2+4,3+5,4+6,5+7,6+8,7+9…]
you get the answer 7+9=16
Answer:
31.41
Step-by-step explanation:
Substitute
Square the -5 then use substitution (just combine the numbers)
The answer is : multiply 5