Aprincipal of $2400 is invested at 8.75% interest, compounded annually. how much will the investment be worth after 9 years? use the calculator provided and 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¯¯¯¯¯¯¯¯)?

Ineed me i stuck and i don’t want to get it wrong

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?