Answer:
bro I have no idea I'm just screwing around
Step-by-step explanation:
you ask your step sister
20 cm
because
1 cm = 0.1 dm
so 1 dm = 10 cm
then:
2 dm = 2 * 10 cm = 20 cm
5 and -5
3x² = 75
x² = 75/3
x² = √25
x = 5 and - 5
the answer is D. all of the above
