Please help will give brainliest 19-26

19) -2/5  20) 1/2    21)  -5x  22) Slope is 0  23) undefined slope  24) Slope is 0 25) Slope is undefined 26) Slope is undefined

Step-by-step explanation:

You can use Y2-Y1/X2-X1 to get the answer

For example, for 19,

(5,0)  (0,2)

X1 Y1   X2 Y2

2-0/0-5

2/-5

-2/5

she will sew have sewn five dresses   and be 1/3 done with the sixth one in an hour.

step-by-step explanation:

3/4 of an hour=45 mins

lucy makes 1 dress per 11.25 minutes

45 mins+11.25 mins=56.25 mins

60 mins- 56.25 mins=3.75 mins

3.75 mins is 1/3 of of 11.25 mins

therefore she the other 1/3 would be part of the hour and she will have sewn 5 dresses and begun the sixth.

contact me if you have any questions you are welcome.