Answer:
$15.
Step-by-step explanation:
90-75=15, which is the difference between the two. Hope this helps.
Answer:
3 packages of pencils and 4 packages of crayons
Answer:
2
Step-by-step explanation:
A commutative function means that when you insert one function in space of x in the other function, they will equal x. The equation is f(g(x)) = g(f(x)) = x
So, 2(
) - 1 = 
If you multiply both sides by <em>a</em>, you get 2<em>a</em>(
) - a = (2x-1)+1
Simplify it 2<em>a</em>(
) - <em>a</em> = 2x
Add <em>a</em> to both sides 2<em>a</em>(
) = 2x +<em>a</em>
The two <em>a</em>s on the left cancel out 2(x+1)=2x+<em>a</em>
Distribute the 2 2x+2=2x+<em>a</em>
Then subtract 2x from both sides 2 = <em>a</em>
Therefore, <em>a</em> = 2
Hope this helps!
24 cubic units for blank 1
1. Answer is 20
2(18-8)
Distribute to get 36-16
Answer is 20
2. Answer is 26
A=4 which means 4+22 which gets you 26