Greg invests $500 in a saving account that earns 4% simple interest annually. If he does not make any
additional deposits or withdrawal, how much money
will be in the savings account after 5 years?

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?