Work out 2 3/4 + 1 4/5 give your answer as a mixed number

What is the solution of sqrt x+2-15=-3

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

The poll report includes a table titled, “americans using cash now versus five years ago, by age.” the age intervals are not equal. why do you think the gallup organization chose the age intervals of 23–34, 35–54, and 55+ to display these results?