Andrew invests $500 into a bank account which promises 6.5 percent annual interest. sometime later, he checks his account balance to see that it is $543. for how many months has his money remained in the account?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?