nia invests $3100 in an account earning 2% interest, compounded annually.
the equation that represents this scenario is:
a(n) = 3100(1 + 0.02)n-1
how much will she have in the account in year 4? round your answer to the
nearest dollar.

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Which of the choices shown could be used to prove that aacp=abcp ?

What expression is equivalent to log3(x+4)