Investment of 6,600 doubles in value every 8 years. how much is it worth after 40 years?

Can someone me with my hwplz(only the circled ones)

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups