What is the explicit rule for this geometric sequence? a1= 2/3; an = 9x an-1

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w

The height of a certain banner is equal to one third of its length. if the banner is 5 feet tall, write an equation that can be used to find the banner's length,l, in feet