I have some stickers in my collection. My sister has 29 more than I do.
Together we have 773 stickers. How
many stickers are in my collection?

Step-by-step explanation:

s=y+29

s+y=773, using s from above makes this

y+29+y=773

2y+29=773

2y=744

y=372

So you have 372 stickers in your collection.

3x + 4y -25 =0 represents the amount of change sianna should recieve

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)