Step-by-step explanation:
6x-7
= 6×2-7
=12-7
=5
b) 3x
=3×2
=6
Answer:
y=2x+3
Step-by-step explanation:
Y is the total amount that the family pays. 2x represents 2 dollars for every person (so, 2 multiplied by the number of people). Finally, 3 represents the initial amount that they must pay, no matter how many are in the car.
Answer:
If everything is a dollar then the store will make $7 from selling all of those treats.
Step-by-step explanation:
:D
The discriminant is b²-4ac
when the discriminant is 0, there is only one solution.