3. Select all expressions below that show the following expression in a correctly factored form. There are six correct answers. The expression is
-18a -6 *
a)-6(3a + 1)
Ob) 6(-3a-1)
c) -6(-6a +1)
d) 6(18a - 6)
e) 2(-9a-3)
f)-2(-9a +3)
g) -2(9a +3)
h)-3(6a +2)
i) 3(6a -2)
O )
j) 3(-6a -2)

Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. of their children, 15 were heterochromatic and 10 were‑normal. calculate the chi‑square value for this observation.

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126