9 ✓ 8
vo
✓3
4
✓ 5
✓6
Suppose we want to choose 6 objects, without replacement, from 9 distinct objects.
(a) How many ways can this be done, if the order of the choices is not taken into consideration?
Х
Í
(b) How many ways can this be done, if the order of the choices is taken into consideration?
Supposed s

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

the answer is a

step-by-step explanation:

if e is the midpoint of bd, then bd is 14.

step-by-step explanation: