$100.00 loan payable in two weeks at $104.50. what is the percent of interest paid on this loan?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

What is another way to write the equation 2/3(x+6)=-18?

Adc is formed by reflecting abc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of adc square units. it wont let me put the picture but its a triangular pyramid thats abcd