Mrs. reid is going on a trip. she has 9 books that she hasn’t read yet, but she wants to bring only 3 on the trip.

in how many ways can she choose 3 books to bring on the trip?

504

Step-by-step explanation:

She can pick from 9 first, 8 second, and 7 third so multiple all numbers together.

9*8*7

its not b

step-by-step explanation:

the smallest possible measurement of the width is 14 feet

step-by-step explanation:

let's assume length of parallelogram is 'l'

width of parallelogram is 'w'

the perimeter of a parallelogram must be no less than 40 feet

so, we get

we are given

length of parallelogram is 6 feet

so,

l=6

we can plug it

now, we can solve for w

subtract both sides by 12

divide both sides by 2

and we get

so,

the smallest possible measurement of the width is 14 feet