Answer:
The number is 25
Step-by-step explanation:
Is means equals and of means multiply
8% *N = 2
Change to decimal form
.08 N =2
Divide by .08
.08N/.08 = 2/.08
N =25
Answer:
3
Step-by-step explanation:
Given the complex number z = a + bi then the absolute value is
| z | = 
Given - 4 -
i, then absolute value is

= 
=
=
= 3
Answer:
30 years old
Step-by-step explanation:
Joe's age can be set to x. Since Billy is twice as old as Joe, his age can be set to 2x. They add up to 45. You can set up an equation, 2x+x=45.
Simplify the equation.
3x=45, x=15
Joe is 15. Billy is 2(15)=30.
Slope Intercept Formula
Y=mx+b
y=0x+5