Step-by-step explanation:
a/2+5>4
a=4
4 divided by 2 = 2
2+5=7
7>4
Answer:
.
Step-by-step explanation:
The given conic has equation;

Divide through by 9.

.
This is an ellipse centered at the origin;
This ellipse has been translated so that the center is now at;

The translated ellipse has equation;
.
Clear the fraction;
.
Expand;
.
.
Write in general form;
.
.
The correct choice is D
F(x)=x^2+3x-7, x=3
f(3)=3^2+3(3)-7
f(3)=9+9-7
f(3)=11
(n+20)*2 = 99.2
distribute
2n + 40 = 99.2
subtract 40 from each side
2n = 59.2
divide each side by 2
n = 29.6