A triangle has a base of 5/6 inches and an area of 3/4 square inches. What is the length of the height? Also, please help with my other recent problems, please:) I ask questions but nobody answers them:(

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis

What is fraction that is equivalent to 3/8

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?