Need solution of that

Write each expression in exponential form and find its value. 3 x 3 x 3

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?