Step-by-step explanation:
1.√2×(-2√9)×(-√2)
= -2×(-2×3)
=12 option a
2. √5×√15×√75
= √5×(√3√5)×(5√3)
= 5×3×5
=75 option b
The circumference of the circle is about 25.12 inches. Hope it help!
Answer:
its 55
Step-by-step explanation:cuz why not
I think that would be 100 million pounds of coal.