Answer is 30x^3y^7
i hope this helps!
Answer:
Burning of wood. Melting of ice is a physical change because the water can be frozen back into ice. you cannot un-burn wood. Hope that made sense.
Step-by-step explanation:
Answer:Area= (7×7÷2)+(7×18)+(9×10)
(24.5)+(126) +(90)
=240.5
Step-by-step explanation:
Answer:
1550
Step-by-step explanation:
311 to 10s would be 310
310x5= 1550