Answer:

Step-by-step explanation:
Theoretically, there is not square root of neither 13 nor a negative number so the special symbol is used to represent the square root of a number.
Answer:
$ 9.5
Step-by-step explanation:
total money is $20
on lunch = 1/8 × 20 = 5/2 = $2.5
on movies = 2/5 × 20 = $8
total spent = 2.5+8 =$ 10.5
left money = 20-10.5 = $ 9.5
The first one is 4 and the last one is 2.14237024 u can put all of that in if u want
Answer:
y = 3x + 8
Step-by-step explanation:
y = mx + b
m is the slope
b is the y intercept