I need help with this :)​

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

What expression is equivalent to log3(x+4)

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