60,000 ton a year is correct
(t-1)(t+1) = t^2-1 through the difference of squares rule
So,
(t-1)(t+1)(t^2+1)
(t^2-1)(t^2+1)
(x-1)(x+1) ... let x = t^2
x^2-1 .... another application of the difference of squares rule
(t^2)^2 - 1... plug in x = t^2
t^4 - 1
The answer to the question is 7.5
Answer:
$7762.5
Step-by-step explanation:
31% is spent on food.
Subtract that from his income of 100%
you get 69%
Multiply 69% by his income, and you get $7762.5
Answer:
A (p^2) =16
Step-by-step explanation:
a is the only reasonable answer because -4*-4=16 (negative times negative is positive)