Answer:
<em>or </em><em />
x=3, -1/7
Step-by-step explanation:
7x^2-20x-3=0
Factor.
(x-3)(7x+1)=0
x-3=0 ⇒ x=3
7x+1=0 ⇒7x=-1 ⇒x= -1/7
minus 90 degree means that it will go anti clock-wise direction. So, this shape will touch on under the y-axis
The answer is 13.5cm,hope this help!
2(n+18)
18(2+n)
2•(18•n)
I hope this helps