7. What are the factors of x2 - x - 30?
a. (x + 1)(x - 30)
b. (x + 5)(x-6)
c. (x + 6)(x - 5)
d. (x - 1)(x +30)

B (x+5)(x-6)

Step-by-step explanation:

if you do the foil method on (x+5)(x-6) you get

x^2 5x  -30

     -6x

if you combine you get

x2 - x - 30

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points