A, F
When the roots are a and b, the factors are (x-a) and (x-b). For roots -20 and 9, the factors are (x+20) and (x-9).
This selects answer A and eliminates choices B and C.
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Multiplying the two factors gives ...
... (x +20)(x -9) = x² +11x -180
This selects answer F and eliminates choices D and E.
Answer:
6 1/5 = 31/5 and 2 3/4 = 11/4 as improper fractions, hope this helps!
Step-by-step explanation:
$93
<em>It izz wat it izzzz!!!</em>
x = 72
These angles are complementary so they add up to 90:
x + 18 = 90
x = 90 - 18
