For number 4 you do x + 19 = 90
90 - 19 = 71 so x = 71
Asha : 45 - p = 21......this is correct
Jamal : 21 + p = 45....this is also correct
both equations will find the correct solution <==
45 - p = 21 21 + p = 45
-p = 21 - 45 p = 45 - 21
-p = - 24 p = 24
p = 24
Answer:

Step-by-step explanation:
Hello,
We can write that, x being the second number
(4 + 2*x) *x = 198
Let's solve this equation.

We are looking for positive number so the solution is 9.
And the first number is 4 + 2 * 9 = 4 + 18 = 22
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
The answer here is A which is the first graph.
Remember that if a is negative in the equation y = ax^2 + bx + c, the parabola always opens downward. For vertex, its coordinates is always located on the first quadrant in which all values are positive.