I think pencil and paper would be the best method
19 is prime meaning that only 1 and itself can multiply to get that number (excluding decimals and fractions)
so the answer would be 1 times 19
or if you want to multiply by a fraction to divide you could do
38 times 1/2=19
Answer:
the answer is on the far left.
Step-by-step explanation:
Answer:
C and H
Explanation:
All others are not the same shape, they tend to be pointing in different directions.
