What is the recursive equation for the geometric sequence below?

2, 7, 24.5, 87.75

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

What is the vertex form of f(x) = x2 + 6x + 3

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?