Answer:
50/120 =12:5
Step-by-step explanation:
First we are divide 50/120
answer is 12:5
22.58 is a dad so multiply it by three and get 490
Answer:

Step-by-step explanation:
Assume this is function is a straight line, consider the equation of the straight line: 
To find the gradient of the equation, we use any two coordinates from the table. 

We substitute the value of m in the equation:

To find c, we use the leftover coordinates, (4,0) in the equation above:

Substitute this value of c in the equation to get the function:

Answer:
Determine whether a relation represents a function.
Find function values.
Determine whether a function is one-to-one.
Use the vertical line test to identify functions.
Graph the functions in the library of functions.
Step-by-step explanation:
If no repeats, there are 8×7×6×5×4×3×2×1=40320.