The relationship between time and the distance remaining on a 3-mile walk for someone walking at a steady rate of 2 miles per hour

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

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

What is (28 + 7 + 6 + 3) x 1/2 show your work