Answer:
2
Step-by-step explanation:
you add 1 to 1 and that gives you 2
The parabola opens down, since the 'a' value of the equation is a negative value.
Set up the equation
x = the smaller number
x + 15 = the larger number
x + x + 15 =39
solve for x
this will be the smaller number
add 15 to get the larger number
ANSWER

EXPLANATION
We want to calculate the value of the angle marked z° in the diagram.
Since the given diagram is a right angle triangle, one of the angles is 90°.
The sum of the angles in a triangle is 180°.
This implies that,

We group like terms to obtain,

We simplify to obtain,