The average interest gained from three accounts in one year is $913.224
<u>Explanation:</u>
Given:
Bank A:
Principal, P₁ = $250.67
Rate, r₁ = 12 %
Bank B:
Principal, P₂ = $765.13
Rate, r₂ = 7 %
Bank C:
Principal, P₃ = $28500.36
Rate, r₃ = 9 %
Interest from Bank A:

Interest from Bank B:

Interest from Bank C:

Average interest gained from three accounts in one year :

Therefore, average interest gained from three accounts in one year is $913.224
Answer: 80% !
Step-by-step explanation:
If the diameter is 24, the radius must be 12
√(3x²) = 12
<span>3x² = 144 </span>
<span>x² = 48 </span>
<span>. . . . ._ </span>
<span>x = 4√3
</span>Each edge of the cube is twice that or <span>8√ 3
</span>
Hope this helps
a. 9 cm 2 because each side would be 3 and length x width would be 3 x 3 = 9