105% =$34.02
100% (cost without sales tax) = 34.02/1.05 =$32.40
Represent 'a number' by x
7 times x equals 9 more than 4 times x
7 times x=9+4 times x
7x=9+4x
subtract 4x from both sides
3x=9
divide 3
x=3
the number is 3
4 - -2
,...........................
So discriminant is being counted from that equation:
b^2-4ac = 36-36 = 0
As discriminant is 0, then there is just 1 root -> -b/2a = 6/2 = 3.
Your answer to this is :
<h2>
C. Stretching.</h2>
<h2>→ <u>Explanation:-</u></h2>
<u />
Because the other one is congruent together.
Hopefully This Helps ! ~
#LearnWithBrainly
<em>Jaceysan ~</em>
