Answer:
an item marked down 20% to $9.60
Step-by-step explanation:
Pentagon - 5 sides = 5 x 4 = 20
Hexagon - 6 sides = 6 x 5 = 30
Nanogon - 9 sides = 9
20 + 30 + 9 = 59 IN TOTAL
Answer: 12 1/4, 12.7, 12 1/3
Step-by-step explanation:
Answer:100/9
Step-by-step explanation:
3 1/3 x 3 1/3
(3x3+1)/3 x (3x3+1)/3
10/3 x 10/3=100/9
Perhaps the question is a^3 + b^3=?, otherwise a3 + b3 doesnt make sens
<span>a^3 + b^3= (a+b)(a^2-ab+b^2)
</span>
for example a=2 b=1, 2^3+1^3=8+1=9, and (2+1)(2^2-2x1+1^2)=3x(3)=9