Step-by-step explanation:

Answer:
-8
Step-by-step explanation:
-21-(-13)
=-21+13
=-8 is the answer......
You have to find the discriminat b^2 -4ac
If it is > 0, the function has two real solutions
if it is = 0, the function has one real solution
if it is <0, the function has no real solution
6^2 - 4(7)(3) = 36 - 84 = - 48
Answer c. no solution
The answer is 3, if it is in square meters it must be a square therefore each side is the same length
There's an x and y intercept the y is how tall the car is