Answer:
A
Step-by-step explanation:
5*10^3=5*1000=5000
5*10^4=5*10000=50000
m∠A=45 and AB=8, find AC
4x^2-5x=-1
4x^2-5x+1=0
4x+2.24x=1
6.24x=1
x= 0.16025641025641025641025641025641
c
600 and 3