Answer:
1000. 100x10=1000 100+100+100+100+100+100+100+100+100+100=1000
100/1000=1/10
Step-by-step explanation:
(x-3) (x+5) => x*x+5x-3x-15
=> x*x+2x-15
SOHCAHTOA.
TOA=opposite/adjacent.
Tan45=100/h.
h tan45=100.
h×1=100.
h=100m