Please help before my teacher gets mad at me

a) 412 have a brother or sister in the school

b) 242 are girls

c) 339 are 13 years old or under

Step-by-step explanation:

Part a:

515 x 80%

412

Part b:

515 x 47%

242

Part c:

515 x 66%

339

the first one, all those points on the line just make a strait line.

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