Y=kx
when y=56, x=7
56=7k
k=8
when x=4
y=8(4)
y=32
value of y=32
Answer:
1. 
2. 13.5 + 
3. 
6. 
These four options are rational;
Step-by-step explanation:
1.
equals to 10 * 10 = 100 which is rational
2. 13.5 +
equals 13.5 + 9 = 22.5
3.
-- 3+27 = 30
6. 
Option 4 and 5 are irrational because they include
and
which are not a perfect square and their answers will be non recurring and non terminating decimal fraction.
Answer:
ok
Step-by-step explanation:
mark me brilliant
plzzz
10+(-7)=3. Hope this helped :))
Answer:
D
Step-by-step explanation:
the answer is D: Both 3 and 4