Answer:
x=5
Step-by-step explanation:

cross multiply
45=9x
solve for x by dividing 9 to get x alone
5=x
Answer:
A,D
Step-by-step explanation:
I KNOW BECAUSE I KNOW THAT HOW
Answer:
25
Step-by-step explanation:
2(25+20)=90. 25 plus 20 is 45 and 45 times 2 is 90
<h2>
Explanation:</h2><h2>
</h2>
The initial value of this function is the y-intercept. We know that the slope-intercept form of the equation of a line is given by:

Writing our equation in slope intercept form:

So the initial value is:
