Answer:
A chemical reaction happens when substances break apart or combine to form one or more new substances.
Step-by-step explanation:
New substances form when bonds break and new bonds form. The chemical properties of the new substances are different from those of the original substances
7.08
The closest hundredths are 7.07 and 7.08, and since the thousandth digit is a 9, then it would round up.
Answer:BE is equal to 72.
Step-by-step explanation: They are similar triangles. We know CD and BC. So we can find the comparison between the two. And we see that BC x 7 = CD. So the same will be said for BF and FE. We have BF is equal to 9. So 9 x 7 = 63. However, now we need to add the two together in order to get BE. Because BF + FE = BE. So 9 + 63 = 72
