Please can someone help my assignment in math, please I need to pass it.​

What is the solution of log2  (3x  -  7)  =  3? 4 5

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?