If you want to solve the equation

for C, you can work like this: subtract P from both sides:

Add C to both sides:

Answer:
4/6
Step-by-step explanation:
Answer:129
Step-by-step explanation:
Let the two integers be x and x+1
(x+1)^2-x^2=21
x^2+2x+1-x^2=21
2x+1=21
2x=20
x=10
then x=10, x+1
10+1=11
the two integers are 10, 11
Answer:
15
Step-by-step explanation:
f(x) = 3x -12 for x = 9
f(9) = 3(9) -12
27-12
15