Ihave trouble with exponential functions, i have a story time in where i have to write an exponential function but the intial stocks account starts as 1000 and doubles every 7 years, how do i write an equation for that ?

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

You can find the constant of proportionality by finding the ratio of