Math I NEED HELP LOOK AT THE IMAGE ALGEBRA IS KILLING ME

Rosa makes a small flower garden outside the clubhouse the area of the garden is 851 square meters if the length of the garden is 23 m what is the width of the garden

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

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1