Answer:
mixed fraction:
2 1/4, also written as 2 5/20
Step-by-step explanation:
45 goes into 20 a complete 2 times with a remainder of 5, hence the 2 in 2 1/4.
5 goes into 20 a whole 4 times, hence 1/4 or 5/20.
Answer:

Step-by-step explanation:
The length of the diagonal of a square of side
is
.
f(x) is a fancy way to say y
The equation says y=05, so x is ungiven based on what you have given us. Please check if there was more information written as usually its written as
Example: f(x)=3x+5
Answer: c
Step-by-step explanation:
105 x 4 = 420
63 x 7 = 441
420 + 441 = 861
The answer is 3
if you substitute x as 4 then it would be 2 x 4 = 8
8-5=3