Answer:
-2480
Step-by-step explanation:
31 * -80 =-2480
Not sure how to explain this more, but I hope this helps!
Agreed, I had to take a test on it and y did equal 70
I dont know how to this but you probably make 4 3/8 and 2 1/2 into a decimal add all them together...
Answer:
Step-by-step explanation:
Rewrite this quadratic in standard form: 3x^2 + 7x - 1.
The coefficients of x are {3, 7, -1}, and so the discriminant is b^2 - 4ac, or
7^2 - 4(3)(-1), or 49 + 12, or 61. Because the discriminant is positive, this quadratic has two real, unequal roots