Step-by-step explanation:
Pythagorean Formula = a2 + b2 = C
which is a = Side of triangle
b = Side of Triangle
c = Hypotenuse
Answer:

Step-by-step explanation:
The Simple Interest Equation is 
where
A = Total Accrued Amount (principal + interest)
P = Principal Amount
I = Interest Amount
t = Time Period involved in months or years
In this case, we do not know the values of the equation (A and P), but we know the amount of interest accrued
If we define our principal whit this formula, we are able to know the rest of the values:

clearing

replacing

Solving





(20*6)+(12*6)+(18*10)=312 500-312=188 colored pencil's left.
Answer:
C
Step-by-step explanation:
y-intercept represents the starting value, slope is the rate of change
slope is rise/run