Answer:
Answer
Step-by-step explanation:
for 4. I think sports?
for 5. I think sports also.
Not sure though.. sorry if it's wrong.
First one: A=5
Second one: no solution
(3x+12)-5x=22
-15x^2-60x=22
-15x^2-60x-22=0
x=-b/2a
x=60/-30
x=-2
Do 4.25x4 and if it equals 17 he is correct, otherwise he is incorrect