Answer:
Hes correct with number 1 aka answer A
Step-by-step explanation:
Its talking abt in the middle hes suppose to divide the six bc at the end it will have 1/8-1/8-1/8 and 2 negatives make a positive meaning it would be 2/8-1/8=1/8 there for number 1 aka A is right btw i want brainiest for explanation thx :)
1. The fourth graph: D
2. The first graph: A
A is the answer babygirl.
Here u go I drew a diagram to help u visualise
Answer is 30.53 cm
First you multiply 4*n and n=3 so 4*3 = 12
then you have 9+12-1
9+12= 21
21-1=20
so your answer would be 20