The population of a village is 5. the rate of increase is 12% per annum. find the appropriate population at the start of the fourth year.

a. 50246
b. 70246
c. 78676
d. 62720

3x + 4y = 5 x- 3y = -7 solve by substitution

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /