What is the area of this?

Iwill give brainliest only if your correct the words subsequent and submerge both contain the prefix sub. based on this information, what does the prefix sub most likely mean? a) under or secondary b) true or verifiable c) tricky or difficult d) around or centered on

True or false look at the picture pls : /

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x