How many solutions does y+x=5 5x+5y=25 have? A) One
B) Infinitely Many
C) None
D) Two

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

Mr. thompson took five of his children to the bowling alley the cost for children 12 and older is 350 the cost of four children under 12 inch to 25 he spent a total of 1625 how many of his children are 12 and order