Answer:
An unknown variable
Step-by-step explanation:
r is an unknown variable -> the equation is used to solve for it.
There is no formula for finding prime numbers. The rule is just if a number is prime then it is divisible by 1 and itself
Just substitute the values: -1/-10-6 -> -1/-16 -> 1/16.
Answer:
x^3-x^2-11x+15
Step-by-step explanation:
Answer:

Step-by-step explanation:

we substitute the value of "y" in the equation: