The equation for simple interest is I = PRT. I = interest earned, P = principal/money invested, R = rate as a decimal, T = time in years.
I = (450)(0.03)(4)
I = 54
$54 is your answer
The subtraction sign in front of the second set of parenthesis changes the signs on the terms inside those parenthesis. So this could be rewritten as

. None of the exponents on the x are the same, so we will just express it in terms of descending powers of x.

. This is also the same as

if you don't like to start with a negative. Either one is correct.
The answer is <span><span>−<span>6<span>x2</span></span></span>+<span>7x</span></span>−<span>212</span>
Y2-Y1. 77-11 66 11
———— = ———- = —- = —
X2-X1 42-6 36 6
Answer:
I dont speak that
Step-by-step explanation: