Which of the following shows the true solution to the logarithmic equation 3log2(2x)=3 a. x=-1 b. x=1 c. x=-1 and x=1 d. x0 x=-1 and x=1

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y