Hi,
We know that:
a² -- b² = (a -- b)(a + b).
With a = x, and b = 4, we have:
x² -- 16 = x² -- 4² = (x -- 4)(x + 4).
As simple as that. Have you understood ?
Green eyes.
The answers would be A,D,E,F because ...
A rational number is any integer, fraction, terminating decimal, or repeating decimal.
Hope this helps! :3
Let x = his wage before his raise.
x + .25x = 343.75
1.25x = 343.75
x = $ 275.00 Was his wage before his raise
Hi there!
To find the percent of change we can use the following formula:

Let's fill in our data

Subtract

Divide

And finally multiply

Hence, the percent of change is negative 20%.
~ Hope this helps you!
Answer:
$3,210
Step-by-step explanation:
7% of 500 = 35
35 + 500 = 535
535 x 6 = 3,210
Answer = You would pay $3,210 all together.