That is easy do the work on a calculator 9 Multiply by 8 is 73 and use this app called calculator soup it will help you with the fraction part
A = 256 ;
ar = 192 ;
r = 192 / 256 = 0.75 ;
ar^2 = 144;
r^2 = 144 / 256 = 0.5625 ;
r =

;
where r<span> ≠ 0 is the common ratio and </span>a<span> is a scale factor ;</span>
First lets solve for x we know 3x=90. In this case x=30. Now we can solve for y. We know the triangle needs to equal 180 so y+2(30)=180. So we get y=120. Hope it helps
Answer:
-7
Step-by-step explanation:
Add 3 to both sides of equation:
-3k = 21
Divide both sides by -3:
k = -7