Answer:
30 blocks
Step-by-step explanation:
60 minutes = 1 hour
For one hour, she will walk 7.5 blocks.
The rate is 7.5blocks per hour.
Multiply this by 4 hours, and you will get 30 blocks.
(7.5)4 = 30
y= -x -6
1 is B
2 is B
3 is stream line body and fluke both help in swimming and both are independent envolved that is their ancestors don't match
