Answer:
With monthly compounding, the bank will calculate interest on your account just once per month. It will not update your balance on a daily basis when it calculates how much interest it owes you. Assuming that the APR is the same, accounts with monthly compounding offer a lower APY than accounts with daily compounding.
4z-20+2=4z-18
4z-18=4z-18
Their answer is the same no answer for this .. or maybe you forgot to wrote an other thing... I hope that I could help you!! :)
If you distribute -5 to the things in the parenthesis you would get 10k-20 which is the same as -5(-2k+4)
The correct answer for the question that is being presented above is this one:
Radian Measure can be acquired by using the formula
Radian Measure = arc length / radius
Radian Measure = 6 cm / 3 cm
Radian Measure = 2 rad.