Answer:







Step-by-step explanation:
Rational numbers:
-are all numbers you can write as a quotient of integers
, 
-include terminating decimals. For example, 
-include repeating decimals. For example, 
Irrational numbers:
-have decimal representations that neither terminate nor repeat. For example, 
-cannot be written as quotients of integers
Answer:
J: -2
K: negative square root 3 over 3
L: negative square root 3
M: 2
N: 1
O: negative square root 3 over 3
P: 0
Q: 1
R: -1
S: 1/2
T: negative square root 3 over 3
U: 1/2
Answer:
Cost Function: 
Where x is the number of widget sold.
Revenue Function: 
Profit Function: 
Step-by-step explanation:
£3500×20×3/100
£350×2×3=?
hope it can help