180-90=3x
90=3x
X=30
90+x+y=180
90+30+y=180
120+y=180
Y=60
Answer:
-15 + 10x
or
10x - 15
(either one works)
Step-by-step explanation:
You mean you just want me to expand it?
Ok.
Multiply -5 by 3 and -2x.
(-5)(3) = -15
(-5)(-2x) = +10x
Add those together:
-15 + 10x
or
10x - 15
Answer:

Step-by-step explanation:
Use
for the equation of a circle in standard form with radius
and center
. Therefore, the equation of the circle in standard form is 
It's the same as adding 2 fractions the product of 2 rational numbers is rational