Answer:
He must invest R297 521 today.
Step-by-step explanation:
The compound interest formula is given by:

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.
Banabas must pay his ex-wife an amount of R350 000 in two years’ time.
This means that 
Interest rate of 8.15% per annum compounded monthly:
This means that
.
Amount he must invest today:
This is P. So




He must invest R297 521 today.
#3
2 and three are supplementary angles .
#4.
The answer is opposite angles .
#5
Bisected angles are equal





Now
m<ABC





4 yards and 2 feet is equal 14 feet since each yard is made up of 3 feet.
1 yard = 3 feet.
So if we take 14 feet and multiply that by 3 we get 42 feet.
42/3 is equal to about 14 yards in total
So the answer is 14 yards.