Answer:
the anwser is b
Step-by-step explanation:
divide 27 by 180 and you get an answer of 54
the answer is the first one A
75 * 1000/3600 = 20.8333333
You just need to multiply with 1000 to get m from km and divide by 3600 because you are converting hours in seconds.
X>Y
X=7Y
3X=7+4Y
X=?
Y=?
----------------------------
3*7=7+4Y
21Y=7+4Y
21Y-4Y=7
17Y=7
Y=7/17
----------------------
X=7*7/17
X=49/17
Simple
scientific notation
8.009 × 10-3