A $2,750 was made to an account earning 2 3/4% annual interest compounded weekly. If no other deposits or withdrawals are made find the balance of the account after 9 years.

the answer is 0.071

good luck! : d

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -