Janet has 8 ounces of coffee beans. if each pot of coffee requires 5/9 ounce of coffee beans, how many pots of coffee can jane make?

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¯¯¯¯¯¯¯¯)?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?