Answer:
10x
Step-by-step explanation:
smaller number is 9 and larger number is 90. The difference is 81.
Answer:
2x^3+8x^2-54x-84
Step-by-step explanation:
Answer:
its <u><em>C</em></u> <u><em>He should correct any mistakes in spelling and grammar</em></u>
Step-by-step explanation:
just did it on edg 2020 and got it right ;)
Hope this helps
Answer:

Step-by-step explanation:
The equation of a quadratic function in vertex form is given by:

Where (h,k) is the vertex.
It was given in the question that the vertex of the parabola is (-1,4).
When we substitute the vertex into the formula we get:

The parabola also passes through (4,19) hence it must satisfy its equation.



We divide both sides by 25 to get:

Hence the quadratic function is:

Answer:
$7.67
Step-by-step explanation:
So if 8 pens cost $4.72, one pen would cost $0.59. 0.59 x 13 will be equal to 7.67.