Answer:
4, 7
Step-by-step explanation:
7y + 4 +4x + 7
The only like terms are the constants 4 and 7
7y is like yogurt and 4x is like xrays, we don't mix them
60 min = 1 hour
30 times 2 = 60
7.7 times 2 = 15.4
the avg speed is 15.4 km an hour
please mark brainliest :)
No change because it went down and up by the same amount
Answer:
36c - 28
Step-by-step explanation:
4(9c − 7)
Distribute
4 * 9c - 4*7
36c - 28