Answer:
A
Step-by-step explanation:
1:2.5 because 2/2=1 and 5/2=2.5
Answer:
(3,13)
Step-by-step explanation:

Note that by vertex form we have:

Where the vertex has the coordinates (h,k) so we change the sign of h and keep the same k value and so:
h=3 and k=13
Therefore the vertex of this parabola is: (3,13)
Answer: b
Explanation: every month she get $15 more added which means the slope is $15
<span>Let the number be x.
The quotient of negative 1 and the product of a number and 21 is -1/21x</span>
Answer:
2
14
56
substitute the values