Answer:
90.3
Step-by-step explanation:
.6×.85=.51
.2×1.00=.2
.1×.97=.097
.1×.96=.096
weight in %, times, grade in %
then add them up
.51 + .2 + .097 + .096 = .903
.903=90.3%
There are two zeros: -3 and -1. This is because when you factor f(x)<span>= x^2 + 4x + 3, it becomes f(x) = (x + 3)(x + 1). In order to find the zeros, set f(x) to 0, and then solve for x for both (x + 3) and (x + 1). You can check your answer by substituting either -3 or -1 for x in the equation 0 = </span>x^2 + 4x + 3.
<span>So over 30 years (or 30*12 = 360 months) you will have paid 2494.38*360 = $897,976.80</span>