He can because you can add it mentally. You can just have 23 in your head and count by adding 10 "4" times.
Hope this helped☺☺
Answer:
y=4/3
Step-by-step explanation:
It's linear and equation of the function is :
f ( x ) = 2x - 1
Answer:
√s(s-a) (s-b) (s-c)
Step-by-step explanation:
123456
herons formula
