Write an equation for each exponential growth function.

4. Eva deposits $1,500 in an account that earns 4% interest each year.

5. Lamount buys a house for $255,000. The value of the house increases 6% each year

6.Brian invests $2000. His investments grows at a rate of 16% per year.

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¯¯¯¯¯¯¯¯)?