3-(-5) 8 4
——— = —- = —-
3-(-3). 6 3
Answer:
9
Step-by-step explanation:
25-7=18
half of 18 is 9
Answer:
3 and 4
and
2 and 6
Step-by-step explanation:
3×4=12
2×6=12
Synthetic fibers are made from raw materials such as petroleum, based on chemicals or petrochemicals [20]. These materials are polymerized into a long, linear chemical with different chemical compounds and are used to produce various types of fibers.