Is the sequence geometric? If so, identify the common ratio. 2,-4,-16,-36,...
A. yes; -2
B. yes;2
C. yes;-3
D. no

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

step-by-step explanation:

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

3/20

step-by-step explanation:

well, there are 20 outcomes, and 3 of them you want. so, 3/20