Please condense and/or solve and show work. 2log base 2 of x +log base 2 of 4=6

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

How do i i solve this equation? -18 = x/3 + 3