Hot air balloons generally descend at a rate of 200 to 400 feet per minute. Four balloons descend 200 feet per minute for 9 minutes. Find the total change in altitude for all 4 balloons

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

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