Answer:
I'm pretty sure it's the last one.
Step-by-step explanation:
A scale factor of 3 means that the new shape is three times the size of the original. To calculate the Scale Factor, we use the following: You can get the 'big' and 'small' from the corresponding sides on the figures. So just get your # and multiply it by 3
2 miles: 1/2 hour
? mile: 1 hour
(2÷1/2)mi/h or B is your final answer. Hope it help!
I dont know what you're asking, the property? That is distributive, and the answer of the expression is 7y+35