Answer:
Hiroshi's error was not having changed the sign of the number 37 by removing the parentheses and placing -37 instead of +37.
Step-by-step explanation:
we have
Hiroshi's work

Remember that
a negative number is just a positive number multiplied by -1
and (-1)(-1)=+1
so
Correct work





therefore
Hiroshi's error was not having changed the sign of the number 37 by removing the parentheses and placing -37 instead of +37.
This is. Pemdas. P is puntion. M mutupaTy d division a. Aadd s subtraant
Answer:
5b +30
Step-by-step explanation:
5 · 6 = 30
5 · b = 5b
Answer:
9 am it will be IV quadrant
11 it will be I quadrant
hope it helps u