Please help answer this I will make you brainlst

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

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.