2.77 × 10 ^ ( -3 ) is the answer
Answer:
Solution given:
b=9 base side of isosceles triangle
a=![\sqrt{9²+9²}=9\sqrt{2}](https://tex.z-dn.net/?f=%20%5Csqrt%7B9%C2%B2%2B9%C2%B2%7D%3D9%5Csqrt%7B2%7D)
B is correct as -4 is smaller than 7
d is correct as -30 is smaller than -18
e is correct as -3 is bigger than -8
$45 - 15% = $38.25
$53 - 20% = $42.04
So the Forever 21 dress would cost less.
Hope this helped.