
Plug in A = 13

Add 1 to both sides:

Divide 2 to both sides:

Find the cube root of both sides:
![\sf~b=\sqrt[3]{7}](https://tex.z-dn.net/?f=%5Csf~b%3D%5Csqrt%5B3%5D%7B7%7D)
The coefficient is the number in front of the variable
The answer to 17 is 18.6 and the 6 is repeating
Answer:
1c, 5c, 25c and 1 dollar
Step-by-step explanation:
With 4 coins of 1c : 4 cents
4 coins of 5c: 20 cents
4 coins of 25c: 1 dollar
4 coins of 1 dollar: 4 dollars
So, 4c + 20c + 1 dollar + 4 dollars = 5.24 dollars