Answer:
27
Step-by-step explanation:
r = 9
s = 6
r^2
= r x r
= 9 x 9
= 81
13s
= 13 x 6
= 108
13s - r^2
= 108 - 81
= 27
✌️❤️✌️
............
A=p(1+r/100)^n
=400(1+7/100)^2
=400*1.14
=456
−0.8x2+4.2x+5.49878
Step-by-step explanation:87
