Answer:
A=1/2 B x H
207=1/2 B x 18
B=207/18 x 2
B= 23 inches
A. 55:12
Step-by-step explanation:
Sana nakatulong
Answer: 99% Confidence interval = 6.97, 8.706
Step-by-step explanation: Please find the attached document for the step by step explanation