Simplify.
(x – 3)(x2 – 4x – 7)

a.
x3 – 3x2 + 12x + 21

b.
x3 – 7x2 + 19x + 21

c.
x3 – 7x2 + 5x + 21

d.
x3 + x2 – 5x – 21

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)

Find the distance of the blue line between the two labeled points. round to the nearest hundredth. a) 7.07 b) 7.21 c) 10 d) 5.12

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247