PLEASE HELP which of the following is the equation of the quadratic function below? A.) y=x²-1
B.) y=x²+1
C.) y=x²+2x+1
D.) y=x²-2x-1

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

Ok a point t on a segment with endpoints d(1, 4) and f(7, 1) partitions the segment in a 2: 1 ratio. find t. you must show all work to receive credit.