1) First is an odd function because f(-x)=-f(x)
3) 3d is an even function because f(-x)=f(x)
2) 2d looks like sin function and it is also odd.
<span>Simplify 3ab + 4ab + 5
= 7ab + 5 (combine like terms)
hope it helps</span>
140/300=14/30
14/30=7/15
So 7/15 is _
46.6%
Answer:

Step-by-step explanation:
Hello!
We can solve the quadratic by using the quadratic formula.
Standard form of a quadratic: 
Quadratic Formula: 
Given our Equation: 
Plug the values into the equation and solve.
<h3>Solve</h3>
Answer:
so its either 13/20
Step-by-step explanation:
if you get this wrong sorry:(