The answer should be 14.
You just have to substitute x with the given number and finish the equation.
Just use teh same numbers as the perimeter and times it by 7 and 5
Answer:
Step-by-step explanation:
Realize what (-5)^3 means
(-5)(-5)(-5)
25(-5)
-125
meanwhile
(-9)^2 is
(-9)(-9)
81
Basically a negative times a negative is always positive, but when a negative number is cubed (or raised to any odd exponent for that matter) the product will be negative.
Answer:
n ≈ 3
Step-by-step explanation:
9n-2<7+20
