Answer:
He is 13 years old
Step-by-step explanation:
32-45=-13
the opposite of -13 is positive 13
Answer: We will use the QUADRATIC FORMULA.
x=7.6659375
Step-by-step explanation:
Use the Quadratic formula
a=-16,b=113,c=74
And then use the quadratic formula and you get x=7.6659375
3x + 3= -2x + 2-4
3x+2x =-2 -3
5x= -5
X= -5
Answer: That would be 294 marbles
Step-by-step explanation:
Just multiply 42 by 7 sounds easy