Turn the written information into a equation (exponential function): Common ratio of 4; horizontal shift right 6

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut